100720231015602 has 128 divisors (see below), whose sum is σ = 233790115553280. Its totient is φ = 28589059031040.

The previous prime is 100720231015559. The next prime is 100720231015639. The reversal of 100720231015602 is 206510132027001.

It is a self number, because there is not a number n which added to its sum of digits gives 100720231015602.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 306430098 + ... + 306758610.

It is an arithmetic number, because the mean of its divisors is an integer number (1826485277760).

Almost surely, 2^{100720231015602} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100720231015602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116895057776640).

100720231015602 is an abundant number, since it is smaller than the sum of its proper divisors (133069884537678).

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

100720231015602 is a wasteful number, since it uses less digits than its factorization.

100720231015602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329848.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 100720231015602 in words is "one hundred trillion, seven hundred twenty billion, two hundred thirty-one million, fifteen thousand, six hundred two".