21122331130 has 16 divisors (see below), whose sum is σ = 38050417440. Its totient is φ = 8442216592.

The previous prime is 21122331121. The next prime is 21122331133. The reversal of 21122331130 is 3113322112.

It is a junction number, because it is equal to n+sod(n) for n = 21122331098 and 21122331107.

It is not an unprimeable number, because it can be changed into a prime (21122331133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826264 + ... + 851443.

It is an arithmetic number, because the mean of its divisors is an integer number (2378151090).

Almost surely, 2^21122331130 is an apocalyptic number.

21122331130 is a deficient number, since it is larger than the sum of its proper divisors (16928086310).

21122331130 is a wasteful number, since it uses less digits than its factorization.

21122331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678973.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21122331130 its reverse (3113322112), we get a palindrome (24235653242).

The spelling of 21122331130 in words is "twenty-one billion, one hundred twenty-two million, three hundred thirty-one thousand, one hundred thirty".