2112311300021 has 8 divisors (see below), whose sum is σ = 2296056569184. Its totient is φ = 1931603142960.

The previous prime is 2112311299957. The next prime is 2112311300041. The reversal of 2112311300021 is 1200031132112.

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 2112311300021 - 2⁶ = 2112311299957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112311300041) 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, 759276575 + ... + 759279356.

It is an arithmetic number, because the mean of its divisors is an integer number (287007071148).

Almost surely, 2^{2112311300021} is an apocalyptic number.

It is an amenable number.

2112311300021 is a deficient number, since it is larger than the sum of its proper divisors (183745269163).

2112311300021 is a wasteful number, since it uses less digits than its factorization.

2112311300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518556051.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2112311300021 its reverse (1200031132112), we get a palindrome (3312342432133).

The spelling of 2112311300021 in words is "two trillion, one hundred twelve billion, three hundred eleven million, three hundred thousand, twenty-one".