881333100021 has 16 divisors (see below), whose sum is σ = 1282071421440. Its totient is φ = 534086119920.

The previous prime is 881333099849. The next prime is 881333100047. The reversal of 881333100021 is 120001333188.

It is not a de Polignac number, because 881333100021 - 2¹¹ = 881333097973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881333100821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053235 + ... + 1694688.

It is an arithmetic number, because the mean of its divisors is an integer number (80129463840).

Almost surely, 2^881333100021 is an apocalyptic number.

It is an amenable number.

881333100021 is a deficient number, since it is larger than the sum of its proper divisors (400738321419).

881333100021 is a wasteful number, since it uses less digits than its factorization.

881333100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757656.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 881333100021 in words is "eight hundred eighty-one billion, three hundred thirty-three million, one hundred thousand, twenty-one".