2011112013021 has 8 divisors (see below), whose sum is σ = 2681831548224. Its totient is φ = 1340566909920.

The previous prime is 2011112012981. The next prime is 2011112013023. The reversal of 2011112013021 is 1203102111102.

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

It is not a de Polignac number, because 2011112013021 - 2⁷ = 2011112012893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011112013023) 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, 43581120 + ... + 43627241.

It is an arithmetic number, because the mean of its divisors is an integer number (335228943528).

Almost surely, 2^{2011112013021} is an apocalyptic number.

It is an amenable number.

2011112013021 is a deficient number, since it is larger than the sum of its proper divisors (670719535203).

2011112013021 is an equidigital number, since it uses as much as digits as its factorization.

2011112013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87216051.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2011112013021 its reverse (1203102111102), we get a palindrome (3214214124123).

The spelling of 2011112013021 in words is "two trillion, eleven billion, one hundred twelve million, thirteen thousand, twenty-one".