1110021123220 has 48 divisors (see below), whose sum is σ = 2455423185600. Its totient is φ = 420349478400.

The previous prime is 1110021123193. The next prime is 1110021123269. The reversal of 1110021123220 is 223211200111.

It is a junction number, because it is equal to n+sod(n) for n = 1110021123194 and 1110021123203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455205 + ... + 1557964.

It is an arithmetic number, because the mean of its divisors is an integer number (51154649700).

Almost surely, 2^{1110021123220} is an apocalyptic number.

1110021123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110021123220 is an abundant number, since it is smaller than the sum of its proper divisors (1345402062380).

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

1110021123220 is a wasteful number, since it uses less digits than its factorization.

1110021123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014648 (or 2014646 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1110021123220 its reverse (223211200111), we get a palindrome (1333232323331).

The spelling of 1110021123220 in words is "one trillion, one hundred ten billion, twenty-one million, one hundred twenty-three thousand, two hundred twenty".