210222221112122 has 4 divisors (see below), whose sum is σ = 315333331668186. Its totient is φ = 105111110556060.

The previous prime is 210222221112091. The next prime is 210222221112157. The reversal of 210222221112122 is 221211122222012.

210222221112122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 172707196359721 + 37515024752401 = 13141811^2 + 6124951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555555278029 + ... + 52555555278032.

Almost surely, 2^{210222221112122} is an apocalyptic number.

210222221112122 is a deficient number, since it is larger than the sum of its proper divisors (105111110556064).

210222221112122 is a wasteful number, since it uses less digits than its factorization.

210222221112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105111110556063.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 210222221112122 its reverse (221211122222012), we get a palindrome (431433343334134).

The spelling of 210222221112122 in words is "two hundred ten trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".