221010022212212 has 24 divisors (see below), whose sum is σ = 393324083426400. Its totient is φ = 108631723733856.

The previous prime is 221010022212209. The next prime is 221010022212227. The reversal of 221010022212212 is 212212220010122.

221010022212212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91933958 + ... + 94307330.

It is an arithmetic number, because the mean of its divisors is an integer number (16388503476100).

Almost surely, 2^{221010022212212} is an apocalyptic number.

It is an amenable number.

221010022212212 is a deficient number, since it is larger than the sum of its proper divisors (172314061214188).

221010022212212 is a wasteful number, since it uses less digits than its factorization.

221010022212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768015 (or 2768013 counting only the distinct ones).

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

Adding to 221010022212212 its reverse (212212220010122), we get a palindrome (433222242222334).

The spelling of 221010022212212 in words is "two hundred twenty-one trillion, ten billion, twenty-two million, two hundred twelve thousand, two hundred twelve".