111001100101090 has 16 divisors (see below), whose sum is σ = 199802107517688. Its totient is φ = 44400411743616.

The previous prime is 111001100101049. The next prime is 111001100101091. The reversal of 111001100101090 is 90101001100111.

It can be written as a sum of positive squares in 4 ways, for example, as 76304959443441 + 34696140657649 = 8735271^2 + 5890343^2 .

It is not an unprimeable number, because it can be changed into a prime (111001100101091) 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, 21130054 + ... + 25855006.

Almost surely, 2^{111001100101090} is an apocalyptic number.

111001100101090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111001100101090 is a deficient number, since it is larger than the sum of its proper divisors (88801007416598).

111001100101090 is a wasteful number, since it uses less digits than its factorization.

111001100101090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074213.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 111001100101090 in words is "one hundred eleven trillion, one billion, one hundred million, one hundred one thousand, ninety".