2112077711021 has 8 divisors (see below), whose sum is σ = 2145559941120. Its totient is φ = 2078764157808.

The previous prime is 2112077710979. The next prime is 2112077711027. The reversal of 2112077711021 is 1201177702112.

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

It is a de Polignac number, because none of the positive numbers 2^k-2112077711021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112077711027) 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, 42143981 + ... + 42194066.

It is an arithmetic number, because the mean of its divisors is an integer number (268194992640).

Almost surely, 2^{2112077711021} is an apocalyptic number.

It is an amenable number.

2112077711021 is a deficient number, since it is larger than the sum of its proper divisors (33482230099).

2112077711021 is an equidigital number, since it uses as much as digits as its factorization.

2112077711021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84338443.

The product of its (nonzero) digits is 2744, while the sum is 32.

The spelling of 2112077711021 in words is "two trillion, one hundred twelve billion, seventy-seven million, seven hundred eleven thousand, twenty-one".