21322100130 has 64 divisors (see below), whose sum is σ = 51481847808. Its totient is φ = 5651686080.

The previous prime is 21322100123. The next prime is 21322100147. The reversal of 21322100130 is 3100122312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3656277 + ... + 3662103.

It is an arithmetic number, because the mean of its divisors is an integer number (804403872).

Almost surely, 2^21322100130 is an apocalyptic number.

21322100130 is an abundant number, since it is smaller than the sum of its proper divisors (30159747678).

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

21322100130 is a wasteful number, since it uses less digits than its factorization.

21322100130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21322100130 its reverse (3100122312), we get a palindrome (24422222442).

The spelling of 21322100130 in words is "twenty-one billion, three hundred twenty-two million, one hundred thousand, one hundred thirty".