22022001100021 has 32 divisors (see below), whose sum is σ = 25131127343616. Its totient is φ = 19116953856000.

The previous prime is 22022001100007. The next prime is 22022001100103. The reversal of 22022001100021 is 12000110022022.

It is a happy number.

It is not a de Polignac number, because 22022001100021 - 2³³ = 22013411165429 is a prime.

It is a super-2 number, since 2×22022001100021² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 22022001099974 and 22022001100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022001109021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1793170401 + ... + 1793182681.

It is an arithmetic number, because the mean of its divisors is an integer number (785347729488).

Almost surely, 2^{22022001100021} is an apocalyptic number.

It is an amenable number.

22022001100021 is a deficient number, since it is larger than the sum of its proper divisors (3109126243595).

22022001100021 is a wasteful number, since it uses less digits than its factorization.

22022001100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22022001100021 its reverse (12000110022022), we get a palindrome (34022111122043).

The spelling of 22022001100021 in words is "twenty-two trillion, twenty-two billion, one million, one hundred thousand, twenty-one".