100111110111010 has 32 divisors (see below), whose sum is σ = 182002555159344. Its totient is φ = 39643956000000.

The previous prime is 100111110110983. The next prime is 100111110111011. The reversal of 100111110111010 is 10111011111001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 79548721542081 + 20562388568929 = 8919009^2 + 4534577^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100111110111011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4994460 + ... + 15005560.

Almost surely, 2^{100111110111010} is an apocalyptic number.

100111110111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111110111010 is a deficient number, since it is larger than the sum of its proper divisors (81891445048334).

100111110111010 is a wasteful number, since it uses less digits than its factorization.

100111110111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021110.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 100111110111010 its reverse (10111011111001), we get a palindrome (110222121222011).

Subtracting from 100111110111010 its reverse (10111011111001), we obtain a palindrome (90000099000009).

The spelling of 100111110111010 in words is "one hundred trillion, one hundred eleven billion, one hundred ten million, one hundred eleven thousand, ten".