101222021111220 has 120 divisors (see below), whose sum is σ = 318260550854400. Its totient is φ = 26931052352448.

The previous prime is 101222021111147. The next prime is 101222021111339. The reversal of 101222021111220 is 22111120222101.

101222021111220 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 220 + 211 + 11 + 220 = 666.

101222021111220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101222021111193 and 101222021111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70453660 + ... + 71876019.

It is an arithmetic number, because the mean of its divisors is an integer number (2652171257120).

Almost surely, 2^{101222021111220} is an apocalyptic number.

101222021111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222021111220 is an abundant number, since it is smaller than the sum of its proper divisors (217038529743180).

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

101222021111220 is a wasteful number, since it uses less digits than its factorization.

101222021111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142330139 (or 142330128 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101222021111220 its reverse (22111120222101), we get a palindrome (123333141333321).

The spelling of 101222021111220 in words is "one hundred one trillion, two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, two hundred twenty".