22031220312130 has 16 divisors (see below), whose sum is σ = 39693928451904. Its totient is φ = 8804103260400.

The previous prime is 22031220312109. The next prime is 22031220312209. The reversal of 22031220312130 is 3121302213022.

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, 1048097022 + ... + 1048118041.

It is an arithmetic number, because the mean of its divisors is an integer number (2480870528244).

Almost surely, 2^{22031220312130} is an apocalyptic number.

22031220312130 is a deficient number, since it is larger than the sum of its proper divisors (17662708139774).

22031220312130 is a wasteful number, since it uses less digits than its factorization.

22031220312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096216121.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22031220312130 its reverse (3121302213022), we get a palindrome (25152522525152).

The spelling of 22031220312130 in words is "twenty-two trillion, thirty-one billion, two hundred twenty million, three hundred twelve thousand, one hundred thirty".