22001031013100 has 36 divisors (see below), whose sum is σ = 48643034240304. Its totient is φ = 8634366886080.

The previous prime is 22001031013061. The next prime is 22001031013139. The reversal of 22001031013100 is 131013010022.

It is an interprime number because it is at equal distance from previous prime (22001031013061) and next prime (22001031013139).

It is a super-2 number, since 2×22001031013100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2075563664 + ... + 2075574263.

It is an arithmetic number, because the mean of its divisors is an integer number (1351195395564).

Almost surely, 2^{22001031013100} is an apocalyptic number.

22001031013100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001031013100 is an abundant number, since it is smaller than the sum of its proper divisors (26642003227204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001031013100 is a wasteful number, since it uses less digits than its factorization.

22001031013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151137994 (or 4151137987 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 22001031013100 its reverse (131013010022), we get a palindrome (22132044023122).

The spelling of 22001031013100 in words is "twenty-two trillion, one billion, thirty-one million, thirteen thousand, one hundred".