20112210022022 has 32 divisors (see below), whose sum is σ = 33067528322400. Its totient is φ = 9131809494528.

The previous prime is 20112210021991. The next prime is 20112210022027. The reversal of 20112210022022 is 22022001221102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112210022027) 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, 5728088 + ... + 8546075.

It is an arithmetic number, because the mean of its divisors is an integer number (1033360260075).

Almost surely, 2^{20112210022022} is an apocalyptic number.

20112210022022 is a deficient number, since it is larger than the sum of its proper divisors (12955318300378).

20112210022022 is a wasteful number, since it uses less digits than its factorization.

20112210022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14275640.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20112210022022 its reverse (22022001221102), we get a palindrome (42134211243124).

The spelling of 20112210022022 in words is "twenty trillion, one hundred twelve billion, two hundred ten million, twenty-two thousand, twenty-two".