210212020122211 has 4 divisors (see below), whose sum is σ = 214684616295072. Its totient is φ = 205739423949352.

The previous prime is 210212020122197. The next prime is 210212020122233. The reversal of 210212020122211 is 112221020212012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210212020122211 - 2⁴⁷ = 69474531766883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210212020122311) 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, 2236298086360 + ... + 2236298086453.

It is an arithmetic number, because the mean of its divisors is an integer number (53671154073768).

Almost surely, 2^{210212020122211} is an apocalyptic number.

210212020122211 is a deficient number, since it is larger than the sum of its proper divisors (4472596172861).

210212020122211 is an equidigital number, since it uses as much as digits as its factorization.

210212020122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472596172860.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210212020122211 its reverse (112221020212012), we get a palindrome (322433040334223).

The spelling of 210212020122211 in words is "two hundred ten trillion, two hundred twelve billion, twenty million, one hundred twenty-two thousand, two hundred eleven".