222212121202 has 32 divisors (see below), whose sum is σ = 371410375680. Its totient is φ = 99300653760.

The previous prime is 222212121193. The next prime is 222212121251. The reversal of 222212121202 is 202121212222.

It is a self number, because there is not a number n which added to its sum of digits gives 222212121202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2645353 + ... + 2728060.

It is an arithmetic number, because the mean of its divisors is an integer number (11606574240).

Almost surely, 2^222212121202 is an apocalyptic number.

222212121202 is a deficient number, since it is larger than the sum of its proper divisors (149198254478).

222212121202 is a wasteful number, since it uses less digits than its factorization.

222212121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373498.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222212121202 its reverse (202121212222), we get a palindrome (424333333424).

The spelling of 222212121202 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred two".