100120021711115 has 8 divisors (see below), whose sum is σ = 137307458346720. Its totient is φ = 68653729173312.

The previous prime is 100120021711111. The next prime is 100120021711139. The reversal of 100120021711115 is 511117120021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100120021711115 - 2² = 100120021711111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100120021711111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430286024410 + ... + 1430286024479.

It is an arithmetic number, because the mean of its divisors is an integer number (17163432293340).

Almost surely, 2^{100120021711115} is an apocalyptic number.

100120021711115 is a deficient number, since it is larger than the sum of its proper divisors (37187436635605).

100120021711115 is an equidigital number, since it uses as much as digits as its factorization.

100120021711115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860572048901.

The product of its (nonzero) digits is 140, while the sum is 23.

Adding to 100120021711115 its reverse (511117120021001), we get a palindrome (611237141732116).

The spelling of 100120021711115 in words is "one hundred trillion, one hundred twenty billion, twenty-one million, seven hundred eleven thousand, one hundred fifteen".