101000010501 has 24 divisors (see below), whose sum is σ = 157221486240. Its totient is φ = 62110194336.

The previous prime is 101000010467. The next prime is 101000010523. The reversal of 101000010501 is 105010000101.

It is not a de Polignac number, because 101000010501 - 2²² = 100995816197 is a prime.

It is a super-2 number, since 2×101000010501² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000010571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135511 + ... + 469428.

It is an arithmetic number, because the mean of its divisors is an integer number (6550895260).

Almost surely, 2^101000010501 is an apocalyptic number.

It is an amenable number.

101000010501 is a deficient number, since it is larger than the sum of its proper divisors (56221475739).

101000010501 is a wasteful number, since it uses less digits than its factorization.

101000010501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606385 (or 606382 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

Adding to 101000010501 its reverse (105010000101), we get a palindrome (206010010602).

The spelling of 101000010501 in words is "one hundred one billion, ten thousand, five hundred one".