22002122111121 has 32 divisors (see below), whose sum is σ = 32661857997440. Its totient is φ = 14638356158400.

The previous prime is 22002122111107. The next prime is 22002122111131. The reversal of 22002122111121 is 12111122120022.

22002122111121 is a `hidden beast` number, since 220 + 0 + 212 + 2 + 111 + 121 = 666.

It is not a de Polignac number, because 22002122111121 - 2¹⁰ = 22002122110097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002122111094 and 22002122111103.

It is not an unprimeable number, because it can be changed into a prime (22002122111131) 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, 26561391 + ... + 27377211.

It is an arithmetic number, because the mean of its divisors is an integer number (1020683062420).

Almost surely, 2^{22002122111121} is an apocalyptic number.

It is an amenable number.

22002122111121 is a deficient number, since it is larger than the sum of its proper divisors (10659735886319).

22002122111121 is a wasteful number, since it uses less digits than its factorization.

22002122111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817854 (or 817848 counting only the distinct ones).

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

Adding to 22002122111121 its reverse (12111122120022), we get a palindrome (34113244231143).

The spelling of 22002122111121 in words is "twenty-two trillion, two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty-one".