210222131211 has 12 divisors (see below), whose sum is σ = 304468280688. Its totient is φ = 139772353104.

The previous prime is 210222131131. The next prime is 210222131303. The reversal of 210222131211 is 112131222012.

It is not a de Polignac number, because 210222131211 - 2¹⁰ = 210222130187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210222131311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31307655 + ... + 31314368.

It is an arithmetic number, because the mean of its divisors is an integer number (25372356724).

Almost surely, 2^210222131211 is an apocalyptic number.

210222131211 is a deficient number, since it is larger than the sum of its proper divisors (94246149477).

210222131211 is a wasteful number, since it uses less digits than its factorization.

210222131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62622402 (or 62622399 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 210222131211 its reverse (112131222012), we get a palindrome (322353353223).

The spelling of 210222131211 in words is "two hundred ten billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred eleven".