101000021321331 has 72 divisors (see below), whose sum is σ = 161107415060592. Its totient is φ = 60926395622400.

The previous prime is 101000021321327. The next prime is 101000021321363. The reversal of 101000021321331 is 133123120000101.

101000021321331 is a `hidden beast` number, since 1 + 0 + 10 + 0 + 0 + 0 + 2 + 1 + 321 + 331 = 666.

It is not a de Polignac number, because 101000021321331 - 2² = 101000021321327 is a prime.

It is a super-2 number, since 2×101000021321331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101000021326331) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 215190471 + ... + 215659311.

Almost surely, 2^{101000021321331} is an apocalyptic number.

101000021321331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101000021321331 is a deficient number, since it is larger than the sum of its proper divisors (60107393739261).

101000021321331 is a wasteful number, since it uses less digits than its factorization.

101000021321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469793 (or 469779 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101000021321331 its reverse (133123120000101), we get a palindrome (234123141321432).

The spelling of 101000021321331 in words is "one hundred one trillion, twenty-one million, three hundred twenty-one thousand, three hundred thirty-one".