22101020431 has 16 divisors (see below), whose sum is σ = 25361367616. Its totient is φ = 18866566656.

The previous prime is 22101020423. The next prime is 22101020479. The reversal of 22101020431 is 13402010122.

It is not a de Polignac number, because 22101020431 - 2³ = 22101020423 is a prime.

It is a super-2 number, since 2×22101020431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101020131) 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, 2347225 + ... + 2356621.

It is an arithmetic number, because the mean of its divisors is an integer number (1585085476).

Almost surely, 2^22101020431 is an apocalyptic number.

22101020431 is a deficient number, since it is larger than the sum of its proper divisors (3260347185).

22101020431 is an equidigital number, since it uses as much as digits as its factorization.

22101020431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10738.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22101020431 its reverse (13402010122), we get a palindrome (35503030553).

The spelling of 22101020431 in words is "twenty-two billion, one hundred one million, twenty thousand, four hundred thirty-one".