99211320001023 has 8 divisors (see below), whose sum is σ = 132284306978736. Its totient is φ = 66139606512000.

The previous prime is 99211320001021. The next prime is 99211320001067. The reversal of 99211320001023 is 32010002311299.

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

It is not a de Polignac number, because 99211320001023 - 2¹ = 99211320001021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99211320001021) 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, 318190378 + ... + 318502023.

It is an arithmetic number, because the mean of its divisors is an integer number (16535538372342).

Almost surely, 2^{99211320001023} is an apocalyptic number.

99211320001023 is a deficient number, since it is larger than the sum of its proper divisors (33072986977713).

99211320001023 is a wasteful number, since it uses less digits than its factorization.

99211320001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636744345.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 99211320001023 in words is "ninety-nine trillion, two hundred eleven billion, three hundred twenty million, one thousand, twenty-three".