101052120072 has 32 divisors (see below), whose sum is σ = 258505426080. Its totient is φ = 32900689920.

The previous prime is 101052120061. The next prime is 101052120083. The reversal of 101052120072 is 270021250101.

It is an interprime number because it is at equal distance from previous prime (101052120061) and next prime (101052120083).

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, 48958329 + ... + 48960392.

It is an arithmetic number, because the mean of its divisors is an integer number (8078294565).

Almost surely, 2^101052120072 is an apocalyptic number.

101052120072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101052120072 is an abundant number, since it is smaller than the sum of its proper divisors (157453306008).

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

101052120072 is a wasteful number, since it uses less digits than its factorization.

101052120072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97918773 (or 97918769 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

Adding to 101052120072 its reverse (270021250101), we get a palindrome (371073370173).

The spelling of 101052120072 in words is "one hundred one billion, fifty-two million, one hundred twenty thousand, seventy-two".