222021121120202 has 8 divisors (see below), whose sum is σ = 334019906256036. Its totient is φ = 110681152368192.

The previous prime is 222021121120193. The next prime is 222021121120223. The reversal of 222021121120202 is 202021121120222.

It can be written as a sum of positive squares in 2 ways, for example, as 206433935460481 + 15587185659721 = 14367809^2 + 3948061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164704095113 + ... + 164704096460.

Almost surely, 2^{222021121120202} is an apocalyptic number.

222021121120202 is a deficient number, since it is larger than the sum of its proper divisors (111998785135834).

222021121120202 is a wasteful number, since it uses less digits than its factorization.

222021121120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329408191912.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222021121120202 its sum of digits (20), we get a palindrome (222021121120222).

Adding to 222021121120202 its reverse (202021121120222), we get a palindrome (424042242240424).

The spelling of 222021121120202 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred two".