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2221222100201 = 13243787700871
BaseRepresentation
bin100000010100101011001…
…001110111110011101001
321212100100210020221000122
4200110223021313303221
5242343030324201301
64420225414213025
7316322645221226
oct40245311676351
97770323227018
102221222100201
11787018a71a75
122ba5a2954175
131315ca4bc990
147971729a94d
153cba462181b
hex2052b277ce9

2221222100201 has 8 divisors (see below), whose sum is σ = 2392098563904. Its totient is φ = 2050347525840.

The previous prime is 2221222100179. The next prime is 2221222100221. The reversal of 2221222100201 is 1020012221222.

It is a happy number.

2221222100201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2221222100201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221222100201.

It is not an unprimeable number, because it can be changed into a prime (2221222100221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2818796 + ... + 3519666.

It is an arithmetic number, because the mean of its divisors is an integer number (299012320488).

Almost surely, 22221222100201 is an apocalyptic number.

It is an amenable number.

2221222100201 is a deficient number, since it is larger than the sum of its proper divisors (170876463703).

2221222100201 is a wasteful number, since it uses less digits than its factorization.

2221222100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944671.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221222100201 its reverse (1020012221222), we get a palindrome (3241234321423).

The spelling of 2221222100201 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, two hundred one".

Divisors: 1 13 243787 700871 3169231 9111323 170863238477 2221222100201