111011102120212 has 192 divisors, whose sum is σ = 235420121502720. Its totient is φ = 44803797663744.

The previous prime is 111011102120141. The next prime is 111011102120249. The reversal of 111011102120212 is 212021201110111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2135747568 + ... + 2135799544.

It is an arithmetic number, because the mean of its divisors is an integer number (1226146466160).

Almost surely, 2^{111011102120212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111011102120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117710060751360).

111011102120212 is an abundant number, since it is smaller than the sum of its proper divisors (124409019382508).

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

111011102120212 is a wasteful number, since it uses less digits than its factorization.

111011102120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52490 (or 52488 counting only the distinct ones).

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

Adding to 111011102120212 its reverse (212021201110111), we get a palindrome (323032303230323).

The spelling of 111011102120212 in words is "one hundred eleven trillion, eleven billion, one hundred two million, one hundred twenty thousand, two hundred twelve".