111090100010102 has 4 divisors (see below), whose sum is σ = 166635150015156. Its totient is φ = 55545050005050.

The previous prime is 111090100010101. The next prime is 111090100010213. The reversal of 111090100010102 is 201010001090111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111090100010101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27772525002524 + ... + 27772525002527.

It is an arithmetic number, because the mean of its divisors is an integer number (41658787503789).

Almost surely, 2^{111090100010102} is an apocalyptic number.

111090100010102 is a deficient number, since it is larger than the sum of its proper divisors (55545050005054).

111090100010102 is an equidigital number, since it uses as much as digits as its factorization.

111090100010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55545050005053.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 111090100010102 in words is "one hundred eleven trillion, ninety billion, one hundred million, ten thousand, one hundred two".