22031121131030 has 128 divisors (see below), whose sum is σ = 45514310510592. Its totient is φ = 7605964800000.

The previous prime is 22031121131023. The next prime is 22031121131099. The reversal of 22031121131030 is 3013112113022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22031121130993 and 22031121131011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52345430 + ... + 52764630.

It is an arithmetic number, because the mean of its divisors is an integer number (355580550864).

Almost surely, 2^{22031121131030} is an apocalyptic number.

22031121131030 is an abundant number, since it is smaller than the sum of its proper divisors (23483189379562).

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

22031121131030 is a wasteful number, since it uses less digits than its factorization.

22031121131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419574.

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

Adding to 22031121131030 its reverse (3013112113022), we get a palindrome (25044233244052).

The spelling of 22031121131030 in words is "twenty-two trillion, thirty-one billion, one hundred twenty-one million, one hundred thirty-one thousand, thirty".