210212202202220 has 12 divisors (see below), whose sum is σ = 441445624624704. Its totient is φ = 84084880880880.

The previous prime is 210212202202213. The next prime is 210212202202333. The reversal of 210212202202220 is 22202202212012.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10510610110111 = 210212202202220 / (2 + 1 + 0 + 2 + 1 + 2 + 2 + 0 + 2 + 2 + 0 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 210212202202192 and 210212202202201.

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 3 ways as a sum of consecutive naturals, for example, 5255305055036 + ... + 5255305055075.

It is an arithmetic number, because the mean of its divisors is an integer number (36787135385392).

Almost surely, 2^{210212202202220} is an apocalyptic number.

210212202202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210212202202220 is an abundant number, since it is smaller than the sum of its proper divisors (231233422422484).

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

210212202202220 is a wasteful number, since it uses less digits than its factorization.

210212202202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510610110120 (or 10510610110118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 210212202202220 its reverse (22202202212012), we get a palindrome (232414404414232).

The spelling of 210212202202220 in words is "two hundred ten trillion, two hundred twelve billion, two hundred two million, two hundred two thousand, two hundred twenty".