22121212100102 has 16 divisors (see below), whose sum is σ = 34928875229040. Its totient is φ = 10478275210368.

The previous prime is 22121212100089. The next prime is 22121212100129. The reversal of 22121212100102 is 20100121212122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3286463 + ... + 7419114.

It is an arithmetic number, because the mean of its divisors is an integer number (2183054701815).

Almost surely, 2^{22121212100102} is an apocalyptic number.

22121212100102 is a deficient number, since it is larger than the sum of its proper divisors (12807663128938).

22121212100102 is a wasteful number, since it uses less digits than its factorization.

22121212100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759975.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22121212100102 its reverse (20100121212122), we get a palindrome (42221333312224).

The spelling of 22121212100102 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twelve million, one hundred thousand, one hundred two".