23211421202105 has 32 divisors (see below), whose sum is σ = 28768481659008. Its totient is φ = 17965126771200.

The previous prime is 23211421202087. The next prime is 23211421202111. The reversal of 23211421202105 is 50120212411232.

It is not a de Polignac number, because 23211421202105 - 2²⁴ = 23211404424889 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 42314669 + ... + 42859701.

It is an arithmetic number, because the mean of its divisors is an integer number (899015051844).

Almost surely, 2^{23211421202105} is an apocalyptic number.

It is an amenable number.

23211421202105 is a deficient number, since it is larger than the sum of its proper divisors (5557060456903).

23211421202105 is a wasteful number, since it uses less digits than its factorization.

23211421202105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546377.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 23211421202105 its reverse (50120212411232), we get a palindrome (73331633613337).

The spelling of 23211421202105 in words is "twenty-three trillion, two hundred eleven billion, four hundred twenty-one million, two hundred two thousand, one hundred five".