21112031113301 has 8 divisors (see below), whose sum is σ = 22224823415520. Its totient is φ = 19999402088112.

The previous prime is 21112031113213. The next prime is 21112031113307. The reversal of 21112031113301 is 10331113021112.

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 21112031113301 - 2¹⁴ = 21112031096917 is a prime.

It is a super-2 number, since 2×21112031113301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112031113307) 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, 40553795 + ... + 41071088.

It is an arithmetic number, because the mean of its divisors is an integer number (2778102926940).

Almost surely, 2^{21112031113301} is an apocalyptic number.

It is an amenable number.

21112031113301 is a deficient number, since it is larger than the sum of its proper divisors (1112792302219).

21112031113301 is a wasteful number, since it uses less digits than its factorization.

21112031113301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81638515.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 21112031113301 its reverse (10331113021112), we get a palindrome (31443144134413).

The spelling of 21112031113301 in words is "twenty-one trillion, one hundred twelve billion, thirty-one million, one hundred thirteen thousand, three hundred one".