101252255340 has 96 divisors (see below), whose sum is σ = 300344454144. Its totient is φ = 25398676480.

The previous prime is 101252255329. The next prime is 101252255369. The reversal of 101252255340 is 43552252101.

It is a super-2 number, since 2×101252255340² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 101252255298 and 101252255307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1943917 + ... + 1995323.

It is an arithmetic number, because the mean of its divisors is an integer number (3128588064).

Almost surely, 2^101252255340 is an apocalyptic number.

101252255340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101252255340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150172227072).

101252255340 is an abundant number, since it is smaller than the sum of its proper divisors (199092198804).

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

101252255340 is a wasteful number, since it uses less digits than its factorization.

101252255340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53367 (or 53365 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 101252255340 in words is "one hundred one billion, two hundred fifty-two million, two hundred fifty-five thousand, three hundred forty".