21112311032301 has 16 divisors (see below), whose sum is σ = 28912547667584. Its totient is φ = 13693526725824.

The previous prime is 21112311032297. The next prime is 21112311032311. The reversal of 21112311032301 is 10323011321112.

It is not a de Polignac number, because 21112311032301 - 2² = 21112311032297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112311032311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4947466 + ... + 8167131.

It is an arithmetic number, because the mean of its divisors is an integer number (1807034229224).

Almost surely, 2^{21112311032301} is an apocalyptic number.

It is an amenable number.

21112311032301 is a deficient number, since it is larger than the sum of its proper divisors (7800236635283).

21112311032301 is a wasteful number, since it uses less digits than its factorization.

21112311032301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13129140.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21112311032301 its reverse (10323011321112), we get a palindrome (31435322353413).

The spelling of 21112311032301 in words is "twenty-one trillion, one hundred twelve billion, three hundred eleven million, thirty-two thousand, three hundred one".