117822330021 has 32 divisors (see below), whose sum is σ = 173669253120. Its totient is φ = 70454030400.

The previous prime is 117822330019. The next prime is 117822330029. The reversal of 117822330021 is 120033228711.

It is not a de Polignac number, because 117822330021 - 2¹ = 117822330019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117822330029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3877116 + ... + 3907386.

It is an arithmetic number, because the mean of its divisors is an integer number (5427164160).

Almost surely, 2^117822330021 is an apocalyptic number.

117822330021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117822330021 is a deficient number, since it is larger than the sum of its proper divisors (55846923099).

117822330021 is a wasteful number, since it uses less digits than its factorization.

117822330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31857.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 117822330021 its reverse (120033228711), we get a palindrome (237855558732).

The spelling of 117822330021 in words is "one hundred seventeen billion, eight hundred twenty-two million, three hundred thirty thousand, twenty-one".