1111010012120 has 32 divisors (see below), whose sum is σ = 2506976514000. Its totient is φ = 443123296128.

The previous prime is 1111010012083. The next prime is 1111010012171. The reversal of 1111010012120 is 212100101111.

It is a congruent number.

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, 40008095 + ... + 40035854.

Almost surely, 2^{1111010012120} is an apocalyptic number.

1111010012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111010012120 is an abundant number, since it is smaller than the sum of its proper divisors (1395966501880).

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

1111010012120 is a wasteful number, since it uses less digits than its factorization.

1111010012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80044307 (or 80044303 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111010012120 its reverse (212100101111), we get a palindrome (1323110113231).

The spelling of 1111010012120 in words is "one trillion, one hundred eleven billion, ten million, twelve thousand, one hundred twenty".