22111210011121 has 16 divisors (see below), whose sum is σ = 27634624433280. Its totient is φ = 17187388318080.

The previous prime is 22111210011113. The next prime is 22111210011131. The reversal of 22111210011121 is 12111001211122.

It is a cyclic number.

It is not a de Polignac number, because 22111210011121 - 2³ = 22111210011113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111210011095 and 22111210011104.

It is not an unprimeable number, because it can be changed into a prime (22111210011131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351018106 + ... + 351081091.

It is an arithmetic number, because the mean of its divisors is an integer number (1727164027080).

Almost surely, 2^{22111210011121} is an apocalyptic number.

It is an amenable number.

22111210011121 is a deficient number, since it is larger than the sum of its proper divisors (5523414422159).

22111210011121 is a wasteful number, since it uses less digits than its factorization.

22111210011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702099624.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 22111210011121 its reverse (12111001211122), we get a palindrome (34222211222243).

The spelling of 22111210011121 in words is "twenty-two trillion, one hundred eleven billion, two hundred ten million, eleven thousand, one hundred twenty-one".