210201222111222 has 64 divisors (see below), whose sum is σ = 426373200900864. Its totient is φ = 69078899312640.

The previous prime is 210201222111197. The next prime is 210201222111229. The reversal of 210201222111222 is 222111222102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201222111229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253800633 + ... + 254627499.

It is an arithmetic number, because the mean of its divisors is an integer number (6662081264076).

Almost surely, 2^{210201222111222} is an apocalyptic number.

210201222111222 is an abundant number, since it is smaller than the sum of its proper divisors (216171978789642).

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

210201222111222 is a wasteful number, since it uses less digits than its factorization.

210201222111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828973.

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

Adding to 210201222111222 its reverse (222111222102012), we get a palindrome (432312444213234).

The spelling of 210201222111222 in words is "two hundred ten trillion, two hundred one billion, two hundred twenty-two million, one hundred eleven thousand, two hundred twenty-two".