21020011130319 has 32 divisors (see below), whose sum is σ = 29066406336000. Its totient is φ = 13495960033920.

The previous prime is 21020011130311. The next prime is 21020011130329. The reversal of 21020011130319 is 91303111002012.

It is not a de Polignac number, because 21020011130319 - 2³ = 21020011130311 is a prime.

It is a super-2 number, since 2×21020011130319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21020011130311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60852097 + ... + 61196549.

It is an arithmetic number, because the mean of its divisors is an integer number (908325198000).

Almost surely, 2^{21020011130319} is an apocalyptic number.

21020011130319 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

21020011130319 is a deficient number, since it is larger than the sum of its proper divisors (8046395205681).

21020011130319 is a wasteful number, since it uses less digits than its factorization.

21020011130319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346255.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 21020011130319 in words is "twenty-one trillion, twenty billion, eleven million, one hundred thirty thousand, three hundred nineteen".