211222210112 has 14 divisors (see below), whose sum is σ = 419144073318. Its totient is φ = 105611105024.

The previous prime is 211222210099. The next prime is 211222210117. The reversal of 211222210112 is 211012222112.

It can be written as a sum of positive squares in only one way, i.e., 118402057216 + 92820152896 = 344096^2 + 304664^2 .

It is a super-2 number, since 2×211222210112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222210117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650173453 + ... + 1650173580.

Almost surely, 2^211222210112 is an apocalyptic number.

It is an amenable number.

211222210112 is a deficient number, since it is larger than the sum of its proper divisors (207921863206).

211222210112 is an equidigital number, since it uses as much as digits as its factorization.

211222210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300347045 (or 3300347035 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211222210112 its reverse (211012222112), we get a palindrome (422234432224).

The spelling of 211222210112 in words is "two hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, one hundred twelve".