120202021011220 has 12 divisors (see below), whose sum is σ = 252424244123604. Its totient is φ = 48080808404480.

The previous prime is 120202021011209. The next prime is 120202021011227. The reversal of 120202021011220 is 22110120202021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57767813064196 + 62434207947024 = 7600514^2 + 7901532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120202021011194 and 120202021011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202021011227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005050525261 + ... + 3005050525300.

It is an arithmetic number, because the mean of its divisors is an integer number (21035353676967).

Almost surely, 2^{120202021011220} is an apocalyptic number.

120202021011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120202021011220 is an abundant number, since it is smaller than the sum of its proper divisors (132222223112384).

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

120202021011220 is a wasteful number, since it uses less digits than its factorization.

120202021011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010101050570 (or 6010101050568 counting only the distinct ones).

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

Adding to 120202021011220 its reverse (22110120202021), we get a palindrome (142312141213241).

The spelling of 120202021011220 in words is "one hundred twenty trillion, two hundred two billion, twenty-one million, eleven thousand, two hundred twenty".