111010100100000 has 144 divisors (see below), whose sum is σ = 364228579816416. Its totient is φ = 29602693280000.

The previous prime is 111010100099999. The next prime is 111010100100007. The reversal of 111010100100000 is 1001010111.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (111010100100007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184716834 + ... + 185316833.

It is an arithmetic number, because the mean of its divisors is an integer number (2529365137614).

Almost surely, 2^{111010100100000} is an apocalyptic number.

111010100100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010100100000 is an abundant number, since it is smaller than the sum of its proper divisors (253218479716416).

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

111010100100000 is an frugal number, since it uses more digits than its factorization.

111010100100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370033705 (or 370033677 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 111010100100000 its reverse (1001010111), we get a palindrome (111011101110111).

The spelling of 111010100100000 in words is "one hundred eleven trillion, ten billion, one hundred million, one hundred thousand".