111120112122000 has 160 divisors (see below), whose sum is σ = 366582666552960. Its totient is φ = 28942912857600.

The previous prime is 111120112121989. The next prime is 111120112122011. The reversal of 111120112122000 is 221211021111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111120112121989) and next prime (111120112122011).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215091055 + ... + 215607054.

It is an arithmetic number, because the mean of its divisors is an integer number (2291141665956).

Almost surely, 2^{111120112122000} is an apocalyptic number.

111120112122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120112122000 is an abundant number, since it is smaller than the sum of its proper divisors (255462554430960).

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

111120112122000 is a wasteful number, since it uses less digits than its factorization.

111120112122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430698178 (or 430698162 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111120112122000 its reverse (221211021111), we get a palindrome (111341323143111).

The spelling of 111120112122000 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twelve million, one hundred twenty-two thousand".