1102221120220 has 48 divisors (see below), whose sum is σ = 2525207021568. Its totient is φ = 400788848960.

The previous prime is 1102221120137. The next prime is 1102221120229. The reversal of 1102221120220 is 220211222011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1102221120194 and 1102221120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102221120229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5099997 + ... + 5311723.

It is an arithmetic number, because the mean of its divisors is an integer number (52608479616).

Almost surely, 2^{1102221120220} is an apocalyptic number.

1102221120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102221120220 is an abundant number, since it is smaller than the sum of its proper divisors (1422985901348).

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

1102221120220 is a wasteful number, since it uses less digits than its factorization.

1102221120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235410 (or 235408 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1102221120220 its reverse (220211222011), we get a palindrome (1322432342231).

The spelling of 1102221120220 in words is "one trillion, one hundred two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty".