22212001010121 has 16 divisors (see below), whose sum is σ = 33770282079744. Its totient is φ = 12864869362944.

The previous prime is 22212001010113. The next prime is 22212001010141. The reversal of 22212001010121 is 12101010021222.

It is not a de Polignac number, because 22212001010121 - 2³ = 22212001010113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22212001010121.

It is not an unprimeable number, because it can be changed into a prime (22212001010141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16751131321 + ... + 16751132646.

It is an arithmetic number, because the mean of its divisors is an integer number (2110642629984).

Almost surely, 2^{22212001010121} is an apocalyptic number.

It is an amenable number.

22212001010121 is a deficient number, since it is larger than the sum of its proper divisors (11558281069623).

22212001010121 is a wasteful number, since it uses less digits than its factorization.

22212001010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33502264000.

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

Adding to 22212001010121 its reverse (12101010021222), we get a palindrome (34313011031343).

The spelling of 22212001010121 in words is "twenty-two trillion, two hundred twelve billion, one million, ten thousand, one hundred twenty-one".