22102001002121 has 8 divisors (see below), whose sum is σ = 22140042120000. Its totient is φ = 22063963695280.

The previous prime is 22102001002097. The next prime is 22102001002129. The reversal of 22102001002121 is 12120010020122.

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

It is a cyclic number.

It is not a de Polignac number, because 22102001002121 - 2³⁰ = 22100927260297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102001002096 and 22102001002105.

It is not an unprimeable number, because it can be changed into a prime (22102001002129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10780355 + ... + 12665703.

It is an arithmetic number, because the mean of its divisors is an integer number (2767505265000).

Almost surely, 2^{22102001002121} is an apocalyptic number.

It is an amenable number.

22102001002121 is a deficient number, since it is larger than the sum of its proper divisors (38041117879).

22102001002121 is a wasteful number, since it uses less digits than its factorization.

22102001002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905519.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102001002121 its reverse (12120010020122), we get a palindrome (34222011022243).

The spelling of 22102001002121 in words is "twenty-two trillion, one hundred two billion, one million, two thousand, one hundred twenty-one".