22111001211022 has 16 divisors (see below), whose sum is σ = 33178754280672. Its totient is φ = 11051416887840.

The previous prime is 22111001211007. The next prime is 22111001211023. The reversal of 22111001211022 is 22011210011122.

It is a junction number, because it is equal to n+sod(n) for n = 22111001210987 and 22111001211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111001211023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111461628 + ... + 111659824.

It is an arithmetic number, because the mean of its divisors is an integer number (2073672142542).

Almost surely, 2^{22111001211022} is an apocalyptic number.

22111001211022 is a deficient number, since it is larger than the sum of its proper divisors (11067753069650).

22111001211022 is a wasteful number, since it uses less digits than its factorization.

22111001211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218523.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111001211022 its reverse (22011210011122), we get a palindrome (44122211222144).

The spelling of 22111001211022 in words is "twenty-two trillion, one hundred eleven billion, one million, two hundred eleven thousand, twenty-two".