22212010121121 has 16 divisors (see below), whose sum is σ = 33446135461120. Its totient is φ = 14565252537360.

The previous prime is 22212010121069. The next prime is 22212010121141. The reversal of 22212010121121 is 12112101021222.

22212010121121 is a `hidden beast` number, since 2 + 221 + 201 + 0 + 121 + 121 = 666.

It is not a de Polignac number, because 22212010121121 - 2¹¹ = 22212010119073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212010121094 and 22212010121103.

It is not an unprimeable number, because it can be changed into a prime (22212010121141) 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, 6743170825 + ... + 6743174118.

It is an arithmetic number, because the mean of its divisors is an integer number (2090383466320).

Almost surely, 2^{22212010121121} is an apocalyptic number.

It is an amenable number.

22212010121121 is a deficient number, since it is larger than the sum of its proper divisors (11234125339999).

22212010121121 is a wasteful number, since it uses less digits than its factorization.

22212010121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486345013 (or 13486345007 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22212010121121 its reverse (12112101021222), we get a palindrome (34324111142343).

It can be divided in two parts, 222120101 and 21121, that added together give a palindrome (222141222).

The spelling of 22212010121121 in words is "twenty-two trillion, two hundred twelve billion, ten million, one hundred twenty-one thousand, one hundred twenty-one".