21013122211130 has 16 divisors (see below), whose sum is σ = 43226994263040. Its totient is φ = 7204499043792.

The previous prime is 21013122211127. The next prime is 21013122211139. The reversal of 21013122211130 is 3111222131012.

It is not an unprimeable number, because it can be changed into a prime (21013122211139) 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, 150093730010 + ... + 150093730149.

It is an arithmetic number, because the mean of its divisors is an integer number (2701687141440).

Almost surely, 2^{21013122211130} is an apocalyptic number.

21013122211130 is an abundant number, since it is smaller than the sum of its proper divisors (22213872051910).

21013122211130 is a wasteful number, since it uses less digits than its factorization.

21013122211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300187460173.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21013122211130 its reverse (3111222131012), we get a palindrome (24124344342142).

The spelling of 21013122211130 in words is "twenty-one trillion, thirteen billion, one hundred twenty-two million, two hundred eleven thousand, one hundred thirty".