101053012520 has 32 divisors (see below), whose sum is σ = 237254901120. Its totient is φ = 38663760960.

The previous prime is 101053012499. The next prime is 101053012547. The reversal of 101053012520 is 25210350101.

It is a happy number.

It is a super-2 number, since 2×101053012520² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101053012492 and 101053012501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54919196 + ... + 54921035.

It is an arithmetic number, because the mean of its divisors is an integer number (7414215660).

Almost surely, 2^101053012520 is an apocalyptic number.

101053012520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101053012520 is an abundant number, since it is smaller than the sum of its proper divisors (136201888600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101053012520 is a wasteful number, since it uses less digits than its factorization.

101053012520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109840265 (or 109840261 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 101053012520 its reverse (25210350101), we get a palindrome (126263362621).

The spelling of 101053012520 in words is "one hundred one billion, fifty-three million, twelve thousand, five hundred twenty".