222221011209999 has 16 divisors (see below), whose sum is σ = 301083271870080. Its totient is φ = 145758432172320.

The previous prime is 222221011209979. The next prime is 222221011210027. The reversal of 222221011209999 is 999902110122222.

It is not a de Polignac number, because 222221011209999 - 2²⁴ = 222220994432783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221011209929) 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, 673146289 + ... + 673476330.

It is an arithmetic number, because the mean of its divisors is an integer number (18817704491880).

Almost surely, 2^{222221011209999} is an apocalyptic number.

222221011209999 is a deficient number, since it is larger than the sum of its proper divisors (78862260660081).

222221011209999 is a wasteful number, since it uses less digits than its factorization.

222221011209999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346623510.

The product of its (nonzero) digits is 419904, while the sum is 51.

The spelling of 222221011209999 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, eleven million, two hundred nine thousand, nine hundred ninety-nine".