100011111220000 has 120 divisors (see below), whose sum is σ = 250212547292400. Its totient is φ = 39326402592000.

The previous prime is 100011111219997. The next prime is 100011111220003. The reversal of 100011111220000 is 22111110001.

It is an interprime number because it is at equal distance from previous prime (100011111219997) and next prime (100011111220003).

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 (100011111220003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41197590 + ... + 43557589.

It is an arithmetic number, because the mean of its divisors is an integer number (2085104560770).

Almost surely, 2^{100011111220000} is an apocalyptic number.

100011111220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011111220000 is an abundant number, since it is smaller than the sum of its proper divisors (150201436072400).

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

100011111220000 is an frugal number, since it uses more digits than its factorization.

100011111220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84755268 (or 84755245 counting only the distinct ones).

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

Adding to 100011111220000 its reverse (22111110001), we get a palindrome (100033222330001).

The spelling of 100011111220000 in words is "one hundred trillion, eleven billion, one hundred eleven million, two hundred twenty thousand".