22111220102 has 8 divisors (see below), whose sum is σ = 35117820216. Its totient is φ = 10405280032.

The previous prime is 22111220101. The next prime is 22111220147. The reversal of 22111220102 is 20102211122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111220101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325164968 + ... + 325165035.

It is an arithmetic number, because the mean of its divisors is an integer number (4389727527).

Almost surely, 2^22111220102 is an apocalyptic number.

22111220102 is a deficient number, since it is larger than the sum of its proper divisors (13006600114).

22111220102 is a wasteful number, since it uses less digits than its factorization.

22111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650330022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22111220102 its reverse (20102211122), we get a palindrome (42213431224).

The spelling of 22111220102 in words is "twenty-two billion, one hundred eleven million, two hundred twenty thousand, one hundred two".