100111111000290 has 96 divisors (see below), whose sum is σ = 296799999730416. Its totient is φ = 23193162362880.

The previous prime is 100111111000289. The next prime is 100111111000291. The reversal of 100111111000290 is 92000111111001.

It is an interprime number because it is at equal distance from previous prime (100111111000289) and next prime (100111111000291).

It can be written as a sum of positive squares in 8 ways, for example, as 40661320884129 + 59449790116161 = 6376623^2 + 7710369^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100111111000291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2516599291 + ... + 2516639070.

Almost surely, 2^{100111111000290} is an apocalyptic number.

100111111000290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111111000290 is an abundant number, since it is smaller than the sum of its proper divisors (196688888730126).

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

100111111000290 is a wasteful number, since it uses less digits than its factorization.

100111111000290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033238404 (or 5033238401 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

Adding to 100111111000290 its reverse (92000111111001), we get a palindrome (192111222111291).

The spelling of 100111111000290 in words is "one hundred trillion, one hundred eleven billion, one hundred eleven million, two hundred ninety", and thus it is an aban number.