22100210210212 has 12 divisors (see below), whose sum is σ = 38713698269260. Its totient is φ = 11039153561856.

The previous prime is 22100210210171. The next prime is 22100210210233. The reversal of 22100210210212 is 21201201200122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3757611663936 + 18342598546276 = 1938456^2 + 4282826^2 .

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, 2737881273 + ... + 2737889344.

Almost surely, 2^{22100210210212} is an apocalyptic number.

It is an amenable number.

22100210210212 is a deficient number, since it is larger than the sum of its proper divisors (16613488059048).

22100210210212 is a wasteful number, since it uses less digits than its factorization.

22100210210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475771630 (or 5475771628 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22100210210212 its reverse (21201201200122), we get a palindrome (43301411410334).

The spelling of 22100210210212 in words is "twenty-two trillion, one hundred billion, two hundred ten million, two hundred ten thousand, two hundred twelve".