101321220113220 has 24 divisors (see below), whose sum is σ = 283699416317184. Its totient is φ = 27018992030176.

The previous prime is 101321220113213. The next prime is 101321220113221. The reversal of 101321220113220 is 22311022123101.

It is not an unprimeable number, because it can be changed into a prime (101321220113221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844343500884 + ... + 844343501003.

It is an arithmetic number, because the mean of its divisors is an integer number (11820809013216).

Almost surely, 2^{101321220113220} is an apocalyptic number.

101321220113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321220113220 is an abundant number, since it is smaller than the sum of its proper divisors (182378196203964).

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

101321220113220 is a wasteful number, since it uses less digits than its factorization.

101321220113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688687001899 (or 1688687001897 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 101321220113220 its reverse (22311022123101), we get a palindrome (123632242236321).

The spelling of 101321220113220 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred twenty million, one hundred thirteen thousand, two hundred twenty".