213030200111220 has 72 divisors (see below), whose sum is σ = 648964961668296. Its totient is φ = 56564241964032.

The previous prime is 213030200111173. The next prime is 213030200111221. The reversal of 213030200111220 is 22111002030312.

213030200111220 is a `hidden beast` number, since 2 + 1 + 30 + 302 + 0 + 0 + 111 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 41562803274084 + 171467396837136 = 6446922^2 + 13094556^2 .

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 = 213030200111193 and 213030200111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213030200111221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2539660017 + ... + 2539743896.

It is an arithmetic number, because the mean of its divisors is an integer number (9013402245393).

Almost surely, 2^{213030200111220} is an apocalyptic number.

213030200111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213030200111220 is an abundant number, since it is smaller than the sum of its proper divisors (435934761557076).

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

213030200111220 is a wasteful number, since it uses less digits than its factorization.

213030200111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079404161 (or 5079404156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213030200111220 its reverse (22111002030312), we get a palindrome (235141202141532).

The spelling of 213030200111220 in words is "two hundred thirteen trillion, thirty billion, two hundred million, one hundred eleven thousand, two hundred twenty".