102101101220 has 24 divisors (see below), whose sum is σ = 214419744000. Its totient is φ = 40839024992.

The previous prime is 102101101213. The next prime is 102101101229. The reversal of 102101101220 is 22101101201.

It is a super-3 number, since 3×102101101220³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102101101229) 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 7 ways as a sum of consecutive naturals, for example, 655661 + ... + 796299.

It is an arithmetic number, because the mean of its divisors is an integer number (8934156000).

Almost surely, 2^102101101220 is an apocalyptic number.

102101101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101101220 is an abundant number, since it is smaller than the sum of its proper divisors (112318642780).

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

102101101220 is a wasteful number, since it uses less digits than its factorization.

102101101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176947 (or 176945 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102101101220 its reverse (22101101201), we get a palindrome (124202202421).

The spelling of 102101101220 in words is "one hundred two billion, one hundred one million, one hundred one thousand, two hundred twenty".