22021211212022 has 16 divisors (see below), whose sum is σ = 36067738359744. Its totient is φ = 10000466709000.

The previous prime is 22021211211977. The next prime is 22021211212061.

22021211212022 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22021211211985 and 22021211212003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458713004 + ... + 458761007.

It is an arithmetic number, because the mean of its divisors is an integer number (2254233647484).

Almost surely, 2^{22021211212022} is an apocalyptic number.

22021211212022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22021211212022 is a deficient number, since it is larger than the sum of its proper divisors (14046527147722).

22021211212022 is a wasteful number, since it uses less digits than its factorization.

22021211212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917475115.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2202121 and 1212022, that added together give a palindrome (3414143).

The spelling of 22021211212022 in words is "twenty-two trillion, twenty-one billion, two hundred eleven million, two hundred twelve thousand, twenty-two".