101220200330220 has 144 divisors (see below), whose sum is σ = 311644744870368. Its totient is φ = 26586837826560.

The previous prime is 101220200330191. The next prime is 101220200330237. The reversal of 101220200330220 is 22033002022101.

101220200330220 is a `hidden beast` number, since 10 + 122 + 0 + 200 + 330 + 2 + 2 + 0 = 666.

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 = 101220200330193 and 101220200330202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138288810 + ... + 139018830.

Almost surely, 2^{101220200330220} is an apocalyptic number.

101220200330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101220200330220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155822372435184).

101220200330220 is an abundant number, since it is smaller than the sum of its proper divisors (210424544540148).

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

101220200330220 is a wasteful number, since it uses less digits than its factorization.

101220200330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741600 (or 741595 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 101220200330220 its reverse (22033002022101), we get a palindrome (123253202352321).

The spelling of 101220200330220 in words is "one hundred one trillion, two hundred twenty billion, two hundred million, three hundred thirty thousand, two hundred twenty".