22124121102 has 12 divisors (see below), whose sum is σ = 47935595760. Its totient is φ = 7374707028.

The previous prime is 22124121073. The next prime is 22124121157. The reversal of 22124121102 is 20112142122.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1229117839 = 22124121102 / (2 + 2 + 1 + 2 + 4 + 1 + 2 + 1 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614558902 + ... + 614558937.

It is an arithmetic number, because the mean of its divisors is an integer number (3994632980).

Almost surely, 2^22124121102 is an apocalyptic number.

22124121102 is an abundant number, since it is smaller than the sum of its proper divisors (25811474658).

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

22124121102 is a wasteful number, since it uses less digits than its factorization.

22124121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229117847 (or 1229117844 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22124121102 its reverse (20112142122), we get a palindrome (42236263224).

The spelling of 22124121102 in words is "twenty-two billion, one hundred twenty-four million, one hundred twenty-one thousand, one hundred two".