202221121220222 has 16 divisors (see below), whose sum is σ = 326742462485712. Its totient is φ = 93310661075520.

The previous prime is 202221121220191. The next prime is 202221121220299. The reversal of 202221121220222 is 222022121122202.

202221121220222 is digitally balanced in base 3, 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, 923392703 + ... + 923611674.

It is an arithmetic number, because the mean of its divisors is an integer number (20421403905357).

Almost surely, 2^{202221121220222} is an apocalyptic number.

202221121220222 is a deficient number, since it is larger than the sum of its proper divisors (124521341265490).

202221121220222 is a wasteful number, since it uses less digits than its factorization.

202221121220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847008603.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 202221121220222 its reverse (222022121122202), we get a palindrome (424243242342424).

The spelling of 202221121220222 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".