211122121112212 has 12 divisors (see below), whose sum is σ = 369476621881920. Its totient is φ = 105557372003096.

The previous prime is 211122121112191. The next prime is 211122121112249. The reversal of 211122121112212 is 212211121221112.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922009468 + ... + 922238419.

It is an arithmetic number, because the mean of its divisors is an integer number (30789718490160).

Almost surely, 2^{211122121112212} is an apocalyptic number.

It is an amenable number.

211122121112212 is a deficient number, since it is larger than the sum of its proper divisors (158354500769708).

211122121112212 is a wasteful number, since it uses less digits than its factorization.

211122121112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844276510 (or 1844276508 counting only the distinct ones).

The product of its digits is 128, while the sum is 22.

Adding to 211122121112212 its reverse (212211121221112), we get a palindrome (423333242333324).

The spelling of 211122121112212 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twelve".