201202002211220 has 24 divisors (see below), whose sum is σ = 422530652539464. Its totient is φ = 80479572713856.

The previous prime is 201202002211169. The next prime is 201202002211241. The reversal of 201202002211220 is 22112200202102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36553172830084 + 164648829381136 = 6045922^2 + 12831556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75416747 + ... + 78039026.

It is an arithmetic number, because the mean of its divisors is an integer number (17605443855811).

Almost surely, 2^{201202002211220} is an apocalyptic number.

201202002211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202002211220 is an abundant number, since it is smaller than the sum of its proper divisors (221328650328244).

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

201202002211220 is a wasteful number, since it uses less digits than its factorization.

201202002211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153521339 (or 153521337 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201202002211220 its reverse (22112200202102), we get a palindrome (223314202413322).

The spelling of 201202002211220 in words is "two hundred one trillion, two hundred two billion, two million, two hundred eleven thousand, two hundred twenty".