21113020032110 has 32 divisors (see below), whose sum is σ = 41326471019520. Its totient is φ = 7733608607232.

The previous prime is 21113020032089. The next prime is 21113020032163. The reversal of 21113020032110 is 1123002031112.

It is a super-2 number, since 2×21113020032110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 1678294190 + ... + 1678306769.

It is an arithmetic number, because the mean of its divisors is an integer number (1291452219360).

Almost surely, 2^{21113020032110} is an apocalyptic number.

21113020032110 is a deficient number, since it is larger than the sum of its proper divisors (20213450987410).

21113020032110 is a wasteful number, since it uses less digits than its factorization.

21113020032110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356601020.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21113020032110 its reverse (1123002031112), we get a palindrome (22236022063222).

The spelling of 21113020032110 in words is "twenty-one trillion, one hundred thirteen billion, twenty million, thirty-two thousand, one hundred ten".