22002021220031 has 12 divisors (see below), whose sum is σ = 23342185379520. Its totient is φ = 20716811570880.

The previous prime is 22002021220027. The next prime is 22002021220051. The reversal of 22002021220031 is 13002212020022.

It is not a de Polignac number, because 22002021220031 - 2² = 22002021220027 is a prime.

It is a super-2 number, since 2×22002021220031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22002021219991 and 22002021220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002021220021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259176926 + ... + 259261803.

It is an arithmetic number, because the mean of its divisors is an integer number (1945182114960).

Almost surely, 2^{22002021220031} is an apocalyptic number.

22002021220031 is a deficient number, since it is larger than the sum of its proper divisors (1340164159489).

22002021220031 is an equidigital number, since it uses as much as digits as its factorization.

22002021220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518438834 (or 518438797 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22002021220031 its reverse (13002212020022), we get a palindrome (35004233240053).

The spelling of 22002021220031 in words is "twenty-two trillion, two billion, twenty-one million, two hundred twenty thousand, thirty-one".