1111100202120 has 128 divisors (see below), whose sum is σ = 3478575456000. Its totient is φ = 283382651904.

The previous prime is 1111100202101. The next prime is 1111100202139. The reversal of 1111100202120 is 212020011111.

It is an interprime number because it is at equal distance from previous prime (1111100202101) and next prime (1111100202139).

It is a super-2 number, since 2×1111100202120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1111100202096 and 1111100202105.

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, 49704706 + ... + 49727054.

It is an arithmetic number, because the mean of its divisors is an integer number (27176370750).

Almost surely, 2^{1111100202120} is an apocalyptic number.

1111100202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111100202120 is an abundant number, since it is smaller than the sum of its proper divisors (2367475253880).

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

1111100202120 is a wasteful number, since it uses less digits than its factorization.

1111100202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40399 (or 40395 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111100202120 its reverse (212020011111), we get a palindrome (1323120213231).

The spelling of 1111100202120 in words is "one trillion, one hundred eleven billion, one hundred million, two hundred two thousand, one hundred twenty".