101021000231 has 16 divisors (see below), whose sum is σ = 108553394400. Its totient is φ = 93723868800.

The previous prime is 101021000189. The next prime is 101021000239. The reversal of 101021000231 is 132000120101.

It is not a de Polignac number, because 101021000231 - 2⁶ = 101021000167 is a prime.

It is a super-2 number, since 2×101021000231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021000239) 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, 75101 + ... + 455721.

It is an arithmetic number, because the mean of its divisors is an integer number (6784587150).

Almost surely, 2^101021000231 is an apocalyptic number.

101021000231 is a deficient number, since it is larger than the sum of its proper divisors (7532394169).

101021000231 is a wasteful number, since it uses less digits than its factorization.

101021000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380930.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101021000231 its reverse (132000120101), we get a palindrome (233021120332).

The spelling of 101021000231 in words is "one hundred one billion, twenty-one million, two hundred thirty-one", and thus it is an aban number.