101233320021 has 16 divisors (see below), whose sum is σ = 149991912000. Its totient is φ = 67481399664.

The previous prime is 101233320007. The next prime is 101233320053. The reversal of 101233320021 is 120023332101.

It is not a de Polignac number, because 101233320021 - 2²² = 101229125717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101233319976 and 101233320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101233320061) 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, 45955 + ... + 452303.

It is an arithmetic number, because the mean of its divisors is an integer number (9374494500).

Almost surely, 2^101233320021 is an apocalyptic number.

It is an amenable number.

101233320021 is a deficient number, since it is larger than the sum of its proper divisors (48758591979).

101233320021 is an equidigital number, since it uses as much as digits as its factorization.

101233320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415585 (or 415579 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 101233320021 its reverse (120023332101), we get a palindrome (221256652122).

The spelling of 101233320021 in words is "one hundred one billion, two hundred thirty-three million, three hundred twenty thousand, twenty-one".