222121120202 has 16 divisors (see below), whose sum is σ = 334584214272. Its totient is φ = 110593248000.

The previous prime is 222121120189. The next prime is 222121120213. The reversal of 222121120202 is 202021121222.

It is a happy 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, 2298503 + ... + 2393189.

It is an arithmetic number, because the mean of its divisors is an integer number (20911513392).

Almost surely, 2^222121120202 is an apocalyptic number.

222121120202 is a deficient number, since it is larger than the sum of its proper divisors (112463094070).

222121120202 is a wasteful number, since it uses less digits than its factorization.

222121120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99613.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222121120202 its reverse (202021121222), we get a palindrome (424142241424).

The spelling of 222121120202 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred two".