1111201202120 has 32 divisors (see below), whose sum is σ = 2542579027200. Its totient is φ = 436946912448.

The previous prime is 1111201202087. The next prime is 1111201202159. The reversal of 1111201202120 is 212021021111.

It is a super-2 number, since 2×1111201202120² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111201202095 and 1111201202104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235421624 + ... + 235426343.

It is an arithmetic number, because the mean of its divisors is an integer number (79455594600).

Almost surely, 2^{1111201202120} is an apocalyptic number.

1111201202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111201202120 is an abundant number, since it is smaller than the sum of its proper divisors (1431377825080).

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

1111201202120 is a wasteful number, since it uses less digits than its factorization.

1111201202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470848037 (or 470848033 counting only the distinct ones).

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

Adding to 1111201202120 its reverse (212021021111), we get a palindrome (1323222223231).

The spelling of 1111201202120 in words is "one trillion, one hundred eleven billion, two hundred one million, two hundred two thousand, one hundred twenty".