1102020122220 has 96 divisors (see below), whose sum is σ = 3098159064000. Its totient is φ = 292683300864.

The previous prime is 1102020122209. The next prime is 1102020122227. The reversal of 1102020122220 is 222210202011.

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 1102020122220.

It is not an unprimeable number, because it can be changed into a prime (1102020122227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17914876 + ... + 17976284.

It is an arithmetic number, because the mean of its divisors is an integer number (32272490250).

Almost surely, 2^{1102020122220} is an apocalyptic number.

1102020122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102020122220 is an abundant number, since it is smaller than the sum of its proper divisors (1996138941780).

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

1102020122220 is a wasteful number, since it uses less digits than its factorization.

1102020122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62627 (or 62625 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1102020122220 its reverse (222210202011), we get a palindrome (1324230324231).

The spelling of 1102020122220 in words is "one trillion, one hundred two billion, twenty million, one hundred twenty-two thousand, two hundred twenty".