22220111120121 has 32 divisors (see below), whose sum is σ = 33757409145600. Its totient is φ = 14440669246080.

The previous prime is 22220111120057. The next prime is 22220111120147. The reversal of 22220111120121 is 12102111102222.

22220111120121 is a `hidden beast` number, since 222 + 201 + 1 + 1 + 120 + 121 = 666.

It is not a de Polignac number, because 22220111120121 - 2⁶ = 22220111120057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220111120094 and 22220111120103.

It is not an unprimeable number, because it can be changed into a prime (22220111140121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64947846 + ... + 65289071.

It is an arithmetic number, because the mean of its divisors is an integer number (1054919035800).

Almost surely, 2^{22220111120121} is an apocalyptic number.

It is an amenable number.

22220111120121 is a deficient number, since it is larger than the sum of its proper divisors (11537298025479).

22220111120121 is a wasteful number, since it uses less digits than its factorization.

22220111120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130237086 (or 130237080 counting only the distinct ones).

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

Adding to 22220111120121 its reverse (12102111102222), we get a palindrome (34322222222343).

The spelling of 22220111120121 in words is "twenty-two trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-one".