101222220100120 has 48 divisors (see below), whose sum is σ = 264933667920240. Its totient is φ = 34704761176512.

The previous prime is 101222220100087. The next prime is 101222220100129. The reversal of 101222220100120 is 21001022222101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101222220100094 and 101222220100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222220100129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25821992964 + ... + 25821996883.

It is an arithmetic number, because the mean of its divisors is an integer number (5519451415005).

Almost surely, 2^{101222220100120} is an apocalyptic number.

101222220100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222220100120 is an abundant number, since it is smaller than the sum of its proper divisors (163711447820120).

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

101222220100120 is a wasteful number, since it uses less digits than its factorization.

101222220100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51643989872 (or 51643989861 counting only the distinct ones).

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

Adding to 101222220100120 its reverse (21001022222101), we get a palindrome (122223242322221).

The spelling of 101222220100120 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred thousand, one hundred twenty".