100101000110990 has 48 divisors (see below), whose sum is σ = 188365870275408. Its totient is φ = 38297587413888.

The previous prime is 100101000110989. The next prime is 100101000111029. The reversal of 100101000110990 is 99011000101001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107043122 + ... + 107974218.

It is an arithmetic number, because the mean of its divisors is an integer number (3924288964071).

Almost surely, 2^{100101000110990} is an apocalyptic number.

100101000110990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100101000110990 is a deficient number, since it is larger than the sum of its proper divisors (88264870164418).

100101000110990 is a wasteful number, since it uses less digits than its factorization.

100101000110990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951473 (or 951450 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 23.

Adding to 100101000110990 its reverse (99011000101001), we get a palindrome (199112000211991).

The spelling of 100101000110990 in words is "one hundred trillion, one hundred one billion, one hundred ten thousand, nine hundred ninety".