2112255435021 has 8 divisors (see below), whose sum is σ = 2938790170560. Its totient is φ = 1346945494752.

The previous prime is 2112255434969. The next prime is 2112255435023. The reversal of 2112255435021 is 1205345522112.

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

It is not a de Polignac number, because 2112255435021 - 2⁶ = 2112255434957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112255435023) 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, 15306198736 + ... + 15306198873.

It is an arithmetic number, because the mean of its divisors is an integer number (367348771320).

Almost surely, 2^{2112255435021} is an apocalyptic number.

It is an amenable number.

2112255435021 is a deficient number, since it is larger than the sum of its proper divisors (826534735539).

2112255435021 is a wasteful number, since it uses less digits than its factorization.

2112255435021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30612397635.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 2112255435021 in words is "two trillion, one hundred twelve billion, two hundred fifty-five million, four hundred thirty-five thousand, twenty-one".