100100120111100 has 54 divisors (see below), whose sum is σ = 313758265373280. Its totient is φ = 26693365362720.

The previous prime is 100100120111099. The next prime is 100100120111119. The reversal of 100100120111100 is 1111021001001.

100100120111100 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55611176940 + ... + 55611178739.

Almost surely, 2^{100100120111100} is an apocalyptic number.

100100120111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100120111100 is an abundant number, since it is smaller than the sum of its proper divisors (213658145262180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100100120111100 is a wasteful number, since it uses less digits than its factorization.

100100120111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111222355699 (or 111222355689 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 100100120111100 its reverse (1111021001001), we get a palindrome (101211141112101).

The spelling of 100100120111100 in words is "one hundred trillion, one hundred billion, one hundred twenty million, one hundred eleven thousand, one hundred".