22101012002121 has 8 divisors (see below), whose sum is σ = 31734786464640. Its totient is φ = 13600622770512.

The previous prime is 22101012002117. The next prime is 22101012002141. The reversal of 22101012002121 is 12120021010122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22101012002121 - 2² = 22101012002117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22101012002121.

It is not an unprimeable number, because it can be changed into a prime (22101012002141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283346307681 + ... + 283346307758.

It is an arithmetic number, because the mean of its divisors is an integer number (3966848308080).

Almost surely, 2^{22101012002121} is an apocalyptic number.

It is an amenable number.

22101012002121 is a deficient number, since it is larger than the sum of its proper divisors (9633774462519).

22101012002121 is a wasteful number, since it uses less digits than its factorization.

22101012002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566692615455.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22101012002121 its reverse (12120021010122), we get a palindrome (34221033012243).

The spelling of 22101012002121 in words is "twenty-two trillion, one hundred one billion, twelve million, two thousand, one hundred twenty-one".