21011230113001 has 8 divisors (see below), whose sum is σ = 21140255901600. Its totient is φ = 20882205819072.

The previous prime is 21011230112953. The next prime is 21011230113089. The reversal of 21011230113001 is 10031103211012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21011230113001 - 2⁴¹ = 18812206857449 is a prime.

It is a super-2 number, since 2×21011230113001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21011230113301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43824225 + ... + 44301073.

It is an arithmetic number, because the mean of its divisors is an integer number (2642531987700).

Almost surely, 2^{21011230113001} is an apocalyptic number.

It is an amenable number.

21011230113001 is a deficient number, since it is larger than the sum of its proper divisors (129025788599).

21011230113001 is a wasteful number, since it uses less digits than its factorization.

21011230113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747335.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21011230113001 its reverse (10031103211012), we get a palindrome (31042333324013).

The spelling of 21011230113001 in words is "twenty-one trillion, eleven billion, two hundred thirty million, one hundred thirteen thousand, one".