213000111222220 has 48 divisors (see below), whose sum is σ = 511210321554240. Its totient is φ = 73027173187584.

The previous prime is 213000111222203. The next prime is 213000111222259. The reversal of 213000111222220 is 22222111000312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7806709 + ... + 22066828.

It is an arithmetic number, because the mean of its divisors is an integer number (10650215032380).

Almost surely, 2^{213000111222220} is an apocalyptic number.

213000111222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213000111222220 is an abundant number, since it is smaller than the sum of its proper divisors (298210210332020).

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

213000111222220 is a wasteful number, since it uses less digits than its factorization.

213000111222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29924482 (or 29924480 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 213000111222220 its reverse (22222111000312), we get a palindrome (235222222222532).

The spelling of 213000111222220 in words is "two hundred thirteen trillion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty".