1110022311220 has 24 divisors (see below), whose sum is σ = 2331165954600. Its totient is φ = 443986238592.

The previous prime is 1110022311169. The next prime is 1110022311221. The reversal of 1110022311220 is 221132200111.

It can be written as a sum of positive squares in 4 ways, for example, as 416419833636 + 693602477584 = 645306^2 + 832828^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1110022311194 and 1110022311203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110022311221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013835 + ... + 1802194.

It is an arithmetic number, because the mean of its divisors is an integer number (97131914775).

Almost surely, 2^{1110022311220} is an apocalyptic number.

1110022311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110022311220 is an abundant number, since it is smaller than the sum of its proper divisors (1221143643380).

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

1110022311220 is a wasteful number, since it uses less digits than its factorization.

1110022311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835747 (or 2835745 counting only the distinct ones).

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

Adding to 1110022311220 its reverse (221132200111), we get a palindrome (1331154511331).

The spelling of 1110022311220 in words is "one trillion, one hundred ten billion, twenty-two million, three hundred eleven thousand, two hundred twenty".