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201002111112210 = 2351923612503100417
BaseRepresentation
bin101101101100111101110011…
…011011101001010000010010
3222100200121120201111002120120
4231230331303123221100102
5202321204310421042320
61551255032312251110
760223631456241612
oct5554756333512022
9870617521432516
10201002111112210
1159055575677081
121a6636803a0a96
138820557a36435
14378c7a85aaa42
1518387d5d15440
hexb6cf736e9412

201002111112210 has 256 divisors, whose sum is σ = 538779813027840. Its totient is φ = 47755857346560.

The previous prime is 201002111112163. The next prime is 201002111112211. The reversal of 201002111112210 is 12211111200102.

It is a happy number.

201002111112210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2010021111122102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201002111112210.

It is not an unprimeable number, because it can be changed into a prime (201002111112211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2001623922 + ... + 2001724338.

It is an arithmetic number, because the mean of its divisors is an integer number (2104608644640).

Almost surely, 2201002111112210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201002111112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269389906513920).

201002111112210 is an abundant number, since it is smaller than the sum of its proper divisors (337777701915630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201002111112210 is a wasteful number, since it uses less digits than its factorization.

201002111112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103033.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201002111112210 its reverse (12211111200102), we get a palindrome (213213222312312).

The spelling of 201002111112210 in words is "two hundred one trillion, two billion, one hundred eleven million, one hundred twelve thousand, two hundred ten".