221112101202 has 16 divisors (see below), whose sum is σ = 443391025440. Its totient is φ = 73509563232.

The previous prime is 221112101167. The next prime is 221112101207. The reversal of 221112101202 is 202101211122.

It is a super-2 number, since 2×221112101202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221112101207) 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, 48615163 + ... + 48619710.

It is an arithmetic number, because the mean of its divisors is an integer number (27711939090).

Almost surely, 2^221112101202 is an apocalyptic number.

221112101202 is an abundant number, since it is smaller than the sum of its proper divisors (222278924238).

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

221112101202 is a wasteful number, since it uses less digits than its factorization.

221112101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97235257.

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

Adding to 221112101202 its reverse (202101211122), we get a palindrome (423213312324).

The spelling of 221112101202 in words is "two hundred twenty-one billion, one hundred twelve million, one hundred one thousand, two hundred two".