13200345101021 has 16 divisors (see below), whose sum is σ = 14253842164800. Its totient is φ = 12152291493888.

The previous prime is 13200345100997. The next prime is 13200345101063. The reversal of 13200345101021 is 12010154300231.

It is a de Polignac number, because none of the positive numbers 2^k-13200345101021 is a prime.

It is a super-2 number, since 2×13200345101021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200345101071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187126685 + ... + 187197213.

It is an arithmetic number, because the mean of its divisors is an integer number (890865135300).

Almost surely, 2^{13200345101021} is an apocalyptic number.

It is an amenable number.

13200345101021 is a deficient number, since it is larger than the sum of its proper divisors (1053497063779).

13200345101021 is a wasteful number, since it uses less digits than its factorization.

13200345101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108908.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 13200345101021 its reverse (12010154300231), we get a palindrome (25210499401252).

The spelling of 13200345101021 in words is "thirteen trillion, two hundred billion, three hundred forty-five million, one hundred one thousand, twenty-one".