100111121002 has 16 divisors (see below), whose sum is σ = 150611191200. Its totient is φ = 49907476080.

The previous prime is 100111120957. The next prime is 100111121027. The reversal of 100111121002 is 200121111001.

It is a self number, because there is not a number n which added to its sum of digits gives 100111121002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549377 + ... + 2588347.

It is an arithmetic number, because the mean of its divisors is an integer number (9413199450).

Almost surely, 2^100111121002 is an apocalyptic number.

100111121002 is a deficient number, since it is larger than the sum of its proper divisors (50500070198).

100111121002 is a wasteful number, since it uses less digits than its factorization.

100111121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42741.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100111121002 its reverse (200121111001), we get a palindrome (300232232003).

The spelling of 100111121002 in words is "one hundred billion, one hundred eleven million, one hundred twenty-one thousand, two".