22220210111121 has 48 divisors (see below), whose sum is σ = 35219717799552. Its totient is φ = 13387773484800.

The previous prime is 22220210111111. The next prime is 22220210111149. The reversal of 22220210111121 is 12111101202222.

22220210111121 is a `hidden beast` number, since 2 + 2 + 220 + 210 + 111 + 121 = 666.

It is not a de Polignac number, because 22220210111121 - 2⁷ = 22220210110993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220210111094 and 22220210111103.

It is not an unprimeable number, because it can be changed into a prime (22220210111111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10596916 + ... + 12519386.

It is an arithmetic number, because the mean of its divisors is an integer number (733744120824).

Almost surely, 2^{22220210111121} is an apocalyptic number.

It is an amenable number.

22220210111121 is a deficient number, since it is larger than the sum of its proper divisors (12999507688431).

22220210111121 is a wasteful number, since it uses less digits than its factorization.

22220210111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923174 (or 1923171 counting only the distinct ones).

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

Adding to 22220210111121 its reverse (12111101202222), we get a palindrome (34331311313343).

The spelling of 22220210111121 in words is "twenty-two trillion, two hundred twenty billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-one".