1110212221220 has 96 divisors (see below), whose sum is σ = 2379420331008. Its totient is φ = 435025147392.

The previous prime is 1110212221213. The next prime is 1110212221241. The reversal of 1110212221220 is 221222120111.

It is a super-2 number, since 2×1110212221220² (a number of 25 digits) contains 22 as substring.

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, 434184182 + ... + 434186738.

It is an arithmetic number, because the mean of its divisors is an integer number (24785628448).

Almost surely, 2^{1110212221220} is an apocalyptic number.

1110212221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110212221220 is an abundant number, since it is smaller than the sum of its proper divisors (1269208109788).

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

1110212221220 is a wasteful number, since it uses less digits than its factorization.

1110212221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309 (or 4307 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1110212221220 its reverse (221222120111), we get a palindrome (1331434341331).

The spelling of 1110212221220 in words is "one trillion, one hundred ten billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty".