22022112211121 has 4 divisors (see below), whose sum is σ = 24024122412144. Its totient is φ = 20020102010100.

The previous prime is 22022112211091. The next prime is 22022112211153. The reversal of 22022112211121 is 12111221122022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22022112211121 - 2¹⁰ = 22022112210097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22022112211093 and 22022112211102.

It is not an unprimeable number, because it can be changed into a prime (22022112210121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001005100495 + ... + 1001005100516.

It is an arithmetic number, because the mean of its divisors is an integer number (6006030603036).

Almost surely, 2^{22022112211121} is an apocalyptic number.

It is an amenable number.

22022112211121 is a deficient number, since it is larger than the sum of its proper divisors (2002010201023).

22022112211121 is a wasteful number, since it uses less digits than its factorization.

22022112211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002010201022.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22022112211121 its reverse (12111221122022), we get a palindrome (34133333333143).

The spelling of 22022112211121 in words is "twenty-two trillion, twenty-two billion, one hundred twelve million, two hundred eleven thousand, one hundred twenty-one".