221202102222212 has 72 divisors (see below), whose sum is σ = 397214959330560. Its totient is φ = 107784030931200.

The previous prime is 221202102222097. The next prime is 221202102222217. The reversal of 221202102222212 is 212222201202122.

221202102222212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×221202102222212⁴ (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (221202102222217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34579034198 + ... + 34579040594.

Almost surely, 2^{221202102222212} is an apocalyptic number.

It is an amenable number.

221202102222212 is a deficient number, since it is larger than the sum of its proper divisors (176012857108348).

221202102222212 is a wasteful number, since it uses less digits than its factorization.

221202102222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11373 (or 11330 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 221202102222212 its reverse (212222201202122), we get a palindrome (433424303424334).

The spelling of 221202102222212 in words is "two hundred twenty-one trillion, two hundred two billion, one hundred two million, two hundred twenty-two thousand, two hundred twelve".