1102021221120 has 72 divisors (see below), whose sum is σ = 3519580287216. Its totient is φ = 293872324608.

The previous prime is 1102021221107. The next prime is 1102021221209. The reversal of 1102021221120 is 211221202011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1102021221120.

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, 143488507 + ... + 143496186.

Almost surely, 2^{1102021221120} is an apocalyptic number.

1102021221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102021221120 is an abundant number, since it is smaller than the sum of its proper divisors (2417559066096).

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

1102021221120 is an equidigital number, since it uses as much as digits as its factorization.

1102021221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286984717 (or 286984703 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1102021221120 its reverse (211221202011), we get a palindrome (1313242423131).

The spelling of 1102021221120 in words is "one trillion, one hundred two billion, twenty-one million, two hundred twenty-one thousand, one hundred twenty".