101100221102220 has 96 divisors (see below), whose sum is σ = 285732598733568. Its totient is φ = 26707500701952.

The previous prime is 101100221102191. The next prime is 101100221102261. The reversal of 101100221102220 is 22201122001101.

It is a super-3 number, since 3×101100221102220³ (a number of 43 digits) contains 333 as substring.

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 101100221102220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339064519 + ... + 339362561.

It is an arithmetic number, because the mean of its divisors is an integer number (2976381236808).

Almost surely, 2^{101100221102220} is an apocalyptic number.

101100221102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101100221102220 is an abundant number, since it is smaller than the sum of its proper divisors (184632377631348).

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

101100221102220 is a wasteful number, since it uses less digits than its factorization.

101100221102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350999 (or 350997 counting only the distinct ones).

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

Adding to 101100221102220 its reverse (22201122001101), we get a palindrome (123301343103321).

The spelling of 101100221102220 in words is "one hundred one trillion, one hundred billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty".