1111102202120 has 128 divisors (see below), whose sum is σ = 2589155712000. Its totient is φ = 428685143040.

The previous prime is 1111102202117. The next prime is 1111102202159. The reversal of 1111102202120 is 212022011111.

It is a junction number, because it is equal to n+sod(n) for n = 1111102202095 and 1111102202104.

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, 777537566 + ... + 777538994.

It is an arithmetic number, because the mean of its divisors is an integer number (20227779000).

Almost surely, 2^{1111102202120} is an apocalyptic number.

1111102202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111102202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294577856000).

1111102202120 is an abundant number, since it is smaller than the sum of its proper divisors (1478053509880).

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

1111102202120 is a wasteful number, since it uses less digits than its factorization.

1111102202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111102202120 its reverse (212022011111), we get a palindrome (1323124213231).

The spelling of 1111102202120 in words is "one trillion, one hundred eleven billion, one hundred two million, two hundred two thousand, one hundred twenty".