210211111201222 has 16 divisors (see below), whose sum is σ = 315879477232032. Its totient is φ = 104918076164160.

The previous prime is 210211111201093. The next prime is 210211111201237. The reversal of 210211111201222 is 222102111112012.

It is a happy number.

It is a super-2 number, since 2×210211111201222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210211111201222.

It is a congruent 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, 27618993 + ... + 34398124.

It is an arithmetic number, because the mean of its divisors is an integer number (19742467327002).

Almost surely, 2^{210211111201222} is an apocalyptic number.

210211111201222 is a deficient number, since it is larger than the sum of its proper divisors (105668366030810).

210211111201222 is a wasteful number, since it uses less digits than its factorization.

210211111201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62020143.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 210211111201222 its reverse (222102111112012), we get a palindrome (432313222313234).

It can be divided in two parts, 2102111112012 and 22, that multiplied together give a palindrome (46246444464264).

The spelling of 210211111201222 in words is "two hundred ten trillion, two hundred eleven billion, one hundred eleven million, two hundred one thousand, two hundred twenty-two".