22121210122102 has 48 divisors (see below), whose sum is σ = 43001821946160. Its totient is φ = 8449480775232.

The previous prime is 22121210122007. The next prime is 22121210122133. The reversal of 22121210122102 is 20122101212122.

It is a self number, because there is not a number n which added to its sum of digits gives 22121210122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299335248 + ... + 299409139.

It is an arithmetic number, because the mean of its divisors is an integer number (895871290545).

Almost surely, 2^{22121210122102} is an apocalyptic number.

22121210122102 is a deficient number, since it is larger than the sum of its proper divisors (20880611824058).

22121210122102 is a wasteful number, since it uses less digits than its factorization.

22121210122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598744445 (or 598744438 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22121210122102 its reverse (20122101212122), we get a palindrome (42243311334224).

The spelling of 22121210122102 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, one hundred two".