210201111222222 has 192 divisors, whose sum is σ = 455590192736448. Its totient is φ = 64624379904000.

The previous prime is 210201111222199. The next prime is 210201111222251. The reversal of 210201111222222 is 222222111102012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35742406722 + ... + 35742412602.

It is an arithmetic number, because the mean of its divisors is an integer number (2372865587169).

Almost surely, 2^{210201111222222} is an apocalyptic number.

210201111222222 is an abundant number, since it is smaller than the sum of its proper divisors (245389081514226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210201111222222 is a wasteful number, since it uses less digits than its factorization.

210201111222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 210201111222222 its reverse (222222111102012), we get a palindrome (432423222324234).

The spelling of 210201111222222 in words is "two hundred ten trillion, two hundred one billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".