100011110021200 has 60 divisors (see below), whose sum is σ = 274601933523040. Its totient is φ = 34289523434880.

The previous prime is 100011110021177. The next prime is 100011110021209. The reversal of 100011110021200 is 2120011110001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011110021209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17859123990 + ... + 17859129589.

Almost surely, 2^{100011110021200} is an apocalyptic number.

100011110021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011110021200 is an abundant number, since it is smaller than the sum of its proper divisors (174590823501840).

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

100011110021200 is a wasteful number, since it uses less digits than its factorization.

100011110021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35718253604 (or 35718253593 counting only the distinct ones).

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

Adding to 100011110021200 its reverse (2120011110001), we get a palindrome (102131121131201).

The spelling of 100011110021200 in words is "one hundred trillion, eleven billion, one hundred ten million, twenty-one thousand, two hundred".