1110011211220 has 24 divisors (see below), whose sum is σ = 2331618508800. Its totient is φ = 443891157792.

The previous prime is 1110011211217. The next prime is 1110011211223. The reversal of 1110011211220 is 221121100111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1110011211217) and next prime (1110011211223).

It is a self number, because there is not a number n which added to its sum of digits gives 1110011211220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110011211223) 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, 7002580 + ... + 7159339.

It is an arithmetic number, because the mean of its divisors is an integer number (97150771200).

Almost surely, 2^{1110011211220} is an apocalyptic number.

1110011211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110011211220 is an abundant number, since it is smaller than the sum of its proper divisors (1221607297580).

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

1110011211220 is a wasteful number, since it uses less digits than its factorization.

1110011211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14165847 (or 14165845 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1110011211220 its reverse (221121100111), we get a palindrome (1331132311331).

It can be divided in two parts, 1110011 and 211220, that added together give a palindrome (1321231).

The spelling of 1110011211220 in words is "one trillion, one hundred ten billion, eleven million, two hundred eleven thousand, two hundred twenty".