22121102002112 has 28 divisors (see below), whose sum is σ = 45312579911616. Its totient is φ = 10703759032320.

The previous prime is 22121102002099. The next prime is 22121102002193. The reversal of 22121102002112 is 21120020112122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5574872513 + ... + 5574876480.

Almost surely, 2^{22121102002112} is an apocalyptic number.

It is an amenable number.

22121102002112 is an abundant number, since it is smaller than the sum of its proper divisors (23191477909504).

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

22121102002112 is a wasteful number, since it uses less digits than its factorization.

22121102002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149749036 (or 11149749026 counting only the distinct ones).

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

Adding to 22121102002112 its reverse (21120020112122), we get a palindrome (43241122114234).

The spelling of 22121102002112 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred two million, two thousand, one hundred twelve".