22031131103120 has 40 divisors (see below), whose sum is σ = 52606768465464. Its totient is φ = 8574278049792.

The previous prime is 22031131103099. The next prime is 22031131103153. The reversal of 22031131103120 is 2130113113022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3552275023504 + 18478856079616 = 1884748^2 + 4298704^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×22031131103120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22031131103092 and 22031131103101.

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, 3721471889 + ... + 3721477808.

Almost surely, 2^{22031131103120} is an apocalyptic number.

22031131103120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031131103120 is an abundant number, since it is smaller than the sum of its proper divisors (30575637362344).

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

22031131103120 is a wasteful number, since it uses less digits than its factorization.

22031131103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442949747 (or 7442949741 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 22031131103120 its reverse (2130113113022), we get a palindrome (24161244216142).

The spelling of 22031131103120 in words is "twenty-two trillion, thirty-one billion, one hundred thirty-one million, one hundred three thousand, one hundred twenty".