222002211321 has 48 divisors (see below), whose sum is σ = 371626452288. Its totient is φ = 131265100800.

The previous prime is 222002211287. The next prime is 222002211377. The reversal of 222002211321 is 123112200222.

It is not a de Polignac number, because 222002211321 - 2⁶ = 222002211257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222002211294 and 222002211303.

It is not an unprimeable number, because it can be changed into a prime (222002211721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 903256 + ... + 1122441.

It is an arithmetic number, because the mean of its divisors is an integer number (7742217756).

Almost surely, 2^222002211321 is an apocalyptic number.

It is an amenable number.

222002211321 is a deficient number, since it is larger than the sum of its proper divisors (149624240967).

222002211321 is a wasteful number, since it uses less digits than its factorization.

222002211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025764 (or 2025752 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222002211321 its reverse (123112200222), we get a palindrome (345114411543).

The spelling of 222002211321 in words is "two hundred twenty-two billion, two million, two hundred eleven thousand, three hundred twenty-one".