21301022200134 has 32 divisors (see below), whose sum is σ = 45279638426880. Its totient is φ = 6661331415072.

The previous prime is 21301022200123. The next prime is 21301022200141. The reversal of 21301022200134 is 43100222010312.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21301022200134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907032297 + ... + 907055780.

It is an arithmetic number, because the mean of its divisors is an integer number (1414988700840).

Almost surely, 2^{21301022200134} is an apocalyptic number.

21301022200134 is an abundant number, since it is smaller than the sum of its proper divisors (23978616226746).

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

21301022200134 is a wasteful number, since it uses less digits than its factorization.

21301022200134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814088204.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21301022200134 its reverse (43100222010312), we get a palindrome (64401244210446).

The spelling of 21301022200134 in words is "twenty-one trillion, three hundred one billion, twenty-two million, two hundred thousand, one hundred thirty-four".