221112020022212 has 48 divisors (see below), whose sum is σ = 426701177743680. Its totient is φ = 99417270576000.

The previous prime is 221112020022203. The next prime is 221112020022227. The reversal of 221112020022212 is 212220020211122.

It is a super-4 number, since 4×221112020022212⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18521198 + ... + 28022469.

It is an arithmetic number, because the mean of its divisors is an integer number (8889607869660).

Almost surely, 2^{221112020022212} is an apocalyptic number.

221112020022212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221112020022212 is a deficient number, since it is larger than the sum of its proper divisors (205589157721468).

221112020022212 is a wasteful number, since it uses less digits than its factorization.

221112020022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46544852 (or 46544850 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221112020022212 its reverse (212220020211122), we get a palindrome (433332040233334).

The spelling of 221112020022212 in words is "two hundred twenty-one trillion, one hundred twelve billion, twenty million, twenty-two thousand, two hundred twelve".