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201201201220110 = 2357132127229194933
BaseRepresentation
bin101101101111110111001110…
…001000001000101000001110
3222101101122110122122110202120
4231233313032020020220032
5202332440030003020420
61551530320020233410
760244210221240150
oct5557671610105016
9871348418573676
10201201201220110
1159121a4a869933
121a69618323b866
1388362656a7500
1437982938b8ad0
15183da89456d40
hexb6fdce208a0e

201201201220110 has 384 divisors, whose sum is σ = 604921434439680. Its totient is φ = 41932848642048.

The previous prime is 201201201220093. The next prime is 201201201220157. The reversal of 201201201220110 is 11022102102102.

201201201220110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201201201220110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1032058204 + ... + 1032253136.

It is an arithmetic number, because the mean of its divisors is an integer number (1575316235520).

Almost surely, 2201201201220110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201201201220110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302460717219840).

201201201220110 is an abundant number, since it is smaller than the sum of its proper divisors (403720233219570).

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

201201201220110 is a wasteful number, since it uses less digits than its factorization.

201201201220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195332 (or 195319 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201201201220110 its reverse (11022102102102), we get a palindrome (212223303322212).

The spelling of 201201201220110 in words is "two hundred one trillion, two hundred one billion, two hundred one million, two hundred twenty thousand, one hundred ten".