111102121112010 has 128 divisors (see below), whose sum is σ = 328244327645184. Its totient is φ = 23507080692480.

The previous prime is 111102121111897. The next prime is 111102121112011. The reversal of 111102121112010 is 10211121201111.

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

It is not an unprimeable number, because it can be changed into a prime (111102121112011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 370858489 + ... + 371157948.

It is an arithmetic number, because the mean of its divisors is an integer number (2564408809728).

Almost surely, 2^{111102121112010} is an apocalyptic number.

111102121112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111102121112010 is an abundant number, since it is smaller than the sum of its proper divisors (217142206533174).

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

111102121112010 is a wasteful number, since it uses less digits than its factorization.

111102121112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742016508.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111102121112010 its reverse (10211121201111), we get a palindrome (121313242313121).

The spelling of 111102121112010 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-one million, one hundred twelve thousand, ten".