100111111221002 has 64 divisors (see below), whose sum is σ = 174162720568320. Its totient is φ = 42273407361024.

The previous prime is 100111111220969. The next prime is 100111111221013. The reversal of 100111111221002 is 200122111111001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2386247258 + ... + 2386289210.

It is an arithmetic number, because the mean of its divisors is an integer number (2721292508880).

Almost surely, 2^{100111111221002} is an apocalyptic number.

100111111221002 is a deficient number, since it is larger than the sum of its proper divisors (74051609347318).

100111111221002 is a wasteful number, since it uses less digits than its factorization.

100111111221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50967.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100111111221002 its reverse (200122111111001), we get a palindrome (300233222332003).

The spelling of 100111111221002 in words is "one hundred trillion, one hundred eleven billion, one hundred eleven million, two hundred twenty-one thousand, two".