22021112201121 has 24 divisors (see below), whose sum is σ = 34751189925504. Its totient is φ = 13326414934560.

The previous prime is 22021112201107. The next prime is 22021112201203. The reversal of 22021112201121 is 12110221112022.

22021112201121 is a `hidden beast` number, since 220 + 2 + 111 + 220 + 112 + 1 = 666.

It is not a de Polignac number, because 22021112201121 - 2⁷ = 22021112200993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22021112201094 and 22021112201103.

It is not an unprimeable number, because it can be changed into a prime (22021112901121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164213241 + ... + 164347286.

It is an arithmetic number, because the mean of its divisors is an integer number (1447966246896).

Almost surely, 2^{22021112201121} is an apocalyptic number.

It is an amenable number.

22021112201121 is a deficient number, since it is larger than the sum of its proper divisors (12730077724383).

22021112201121 is a wasteful number, since it uses less digits than its factorization.

22021112201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328561221 (or 328561218 counting only the distinct ones).

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

Adding to 22021112201121 its reverse (12110221112022), we get a palindrome (34131333313143).

The spelling of 22021112201121 in words is "twenty-two trillion, twenty-one billion, one hundred twelve million, two hundred one thousand, one hundred twenty-one".