1110011011220 has 24 divisors (see below), whose sum is σ = 2342736816000. Its totient is φ = 441773224992.

The previous prime is 1110011011157. The next prime is 1110011011247. The reversal of 1110011011220 is 221101100111.

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, 139444640 + ... + 139452599.

It is an arithmetic number, because the mean of its divisors is an integer number (97614034000).

Almost surely, 2^{1110011011220} is an apocalyptic number.

1110011011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110011011220 is an abundant number, since it is smaller than the sum of its proper divisors (1232725804780).

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

1110011011220 is a wasteful number, since it uses less digits than its factorization.

1110011011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278897447 (or 278897445 counting only the distinct ones).

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

Adding to 1110011011220 its reverse (221101100111), we get a palindrome (1331112111331).

The spelling of 1110011011220 in words is "one trillion, one hundred ten billion, eleven million, eleven thousand, two hundred twenty".