21013232133110 has 16 divisors (see below), whose sum is σ = 43227220388256. Its totient is φ = 7204536731328.

The previous prime is 21013232133097. The next prime is 21013232133151. The reversal of 21013232133110 is 1133123231012.

21013232133110 = 500116² + 500117² + ... + 500199².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150094515167 + ... + 150094515306.

It is an arithmetic number, because the mean of its divisors is an integer number (2701701274266).

Almost surely, 2^{21013232133110} is an apocalyptic number.

21013232133110 is an abundant number, since it is smaller than the sum of its proper divisors (22213988255146).

21013232133110 is a wasteful number, since it uses less digits than its factorization.

21013232133110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300189030487.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21013232133110 its reverse (1133123231012), we get a palindrome (22146355364122).

The spelling of 21013232133110 in words is "twenty-one trillion, thirteen billion, two hundred thirty-two million, one hundred thirty-three thousand, one hundred ten".