7899221101033 has 4 divisors (see below), whose sum is σ = 7899314967940. Its totient is φ = 7899127234128.

The previous prime is 7899221101021. The next prime is 7899221101043. The reversal of 7899221101033 is 3301011229987.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4209275929104 + 3689945171929 = 2051652^2 + 1920923^2 .

It is a cyclic number.

It is not a de Polignac number, because 7899221101033 - 2¹⁷ = 7899220969961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7899221101043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46807110 + ... + 46975567.

It is an arithmetic number, because the mean of its divisors is an integer number (1974828741985).

Almost surely, 2^{7899221101033} is an apocalyptic number.

It is an amenable number.

7899221101033 is a deficient number, since it is larger than the sum of its proper divisors (93866907).

7899221101033 is an equidigital number, since it uses as much as digits as its factorization.

7899221101033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93866906.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 7899221101033 in words is "seven trillion, eight hundred ninety-nine billion, two hundred twenty-one million, one hundred one thousand, thirty-three".