22212120101001 has 16 divisors (see below), whose sum is σ = 29650731027264. Its totient is φ = 14790801522944.

The previous prime is 22212120100981. The next prime is 22212120101009. The reversal of 22212120101001 is 10010102121222.

It is a cyclic number.

It is not a de Polignac number, because 22212120101001 - 2¹⁴ = 22212120084617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212120101009) 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, 12050365 + ... + 13770821.

It is an arithmetic number, because the mean of its divisors is an integer number (1853170689204).

Almost surely, 2^{22212120101001} is an apocalyptic number.

It is an amenable number.

22212120101001 is a deficient number, since it is larger than the sum of its proper divisors (7438610926263).

22212120101001 is a wasteful number, since it uses less digits than its factorization.

22212120101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725480.

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

Adding to 22212120101001 its reverse (10010102121222), we get a palindrome (32222222222223).

The spelling of 22212120101001 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty million, one hundred one thousand, one".