22121103102 has 16 divisors (see below), whose sum is σ = 50562521472. Its totient is φ = 6320315160.

The previous prime is 22121103089. The next prime is 22121103113. The reversal of 22121103102 is 20130112122.

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, 263346424 + ... + 263346507.

It is an arithmetic number, because the mean of its divisors is an integer number (3160157592).

Almost surely, 2^22121103102 is an apocalyptic number.

22121103102 is an abundant number, since it is smaller than the sum of its proper divisors (28441418370).

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

22121103102 is a wasteful number, since it uses less digits than its factorization.

22121103102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526692943.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22121103102 its reverse (20130112122), we get a palindrome (42251215224).

The spelling of 22121103102 in words is "twenty-two billion, one hundred twenty-one million, one hundred three thousand, one hundred two".