211001022212 has 48 divisors (see below), whose sum is σ = 392009003568. Its totient is φ = 99031695360.

The previous prime is 211001022209. The next prime is 211001022269. The reversal of 211001022212 is 212220100112.

It can be written as a sum of positive squares in 8 ways, for example, as 45005076736 + 165995945476 = 212144^2 + 407426^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78818618 + ... + 78821294.

It is an arithmetic number, because the mean of its divisors is an integer number (8166854241).

Almost surely, 2^211001022212 is an apocalyptic number.

It is an amenable number.

211001022212 is a deficient number, since it is larger than the sum of its proper divisors (181007981356).

211001022212 is a wasteful number, since it uses less digits than its factorization.

211001022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336 (or 5334 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211001022212 its reverse (212220100112), we get a palindrome (423221122324).

The spelling of 211001022212 in words is "two hundred eleven billion, one million, twenty-two thousand, two hundred twelve".