21201033011034 has 32 divisors (see below), whose sum is σ = 46574351700480. Its totient is φ = 6403973357232.

The previous prime is 21201033011009. The next prime is 21201033011063. The reversal of 21201033011034 is 43011033010212.

It is a self number, because there is not a number n which added to its sum of digits gives 21201033011034.

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, 4042909852 + ... + 4042915095.

It is an arithmetic number, because the mean of its divisors is an integer number (1455448490640).

Almost surely, 2^{21201033011034} is an apocalyptic number.

21201033011034 is an abundant number, since it is smaller than the sum of its proper divisors (25373318689446).

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

21201033011034 is a wasteful number, since it uses less digits than its factorization.

21201033011034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085824994.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21201033011034 its reverse (43011033010212), we get a palindrome (64212066021246).

The spelling of 21201033011034 in words is "twenty-one trillion, two hundred one billion, thirty-three million, eleven thousand, thirty-four".