221002210220012 has 48 divisors (see below), whose sum is σ = 416770851081312. Its totient is φ = 101935717332480.

The previous prime is 221002210219991. The next prime is 221002210220017. The reversal of 221002210220012 is 210022012200122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221002210220017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486224338 + ... + 1486373030.

It is an arithmetic number, because the mean of its divisors is an integer number (8682726064194).

Almost surely, 2^{221002210220012} is an apocalyptic number.

It is an amenable number.

221002210220012 is a deficient number, since it is larger than the sum of its proper divisors (195768640861300).

221002210220012 is a wasteful number, since it uses less digits than its factorization.

221002210220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166818 (or 166816 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221002210220012 its reverse (210022012200122), we get a palindrome (431024222420134).

The spelling of 221002210220012 in words is "two hundred twenty-one trillion, two billion, two hundred ten million, two hundred twenty thousand, twelve".