111202122201 has 16 divisors (see below), whose sum is σ = 149641281024. Its totient is φ = 73449379584.

The previous prime is 111202122181. The next prime is 111202122257. The reversal of 111202122201 is 102221202111.

It is not a de Polignac number, because 111202122201 - 2⁵ = 111202122169 is a prime.

It is a super-2 number, since 2×111202122201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111202122901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802680 + ... + 930966.

It is an arithmetic number, because the mean of its divisors is an integer number (9352580064).

Almost surely, 2^111202122201 is an apocalyptic number.

It is an amenable number.

111202122201 is a deficient number, since it is larger than the sum of its proper divisors (38439158823).

111202122201 is a wasteful number, since it uses less digits than its factorization.

111202122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130960.

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

Adding to 111202122201 its reverse (102221202111), we get a palindrome (213423324312).

The spelling of 111202122201 in words is "one hundred eleven billion, two hundred two million, one hundred twenty-two thousand, two hundred one".