210101110101222 has 64 divisors (see below), whose sum is σ = 432112995578880. Its totient is φ = 68061850041600.

The previous prime is 210101110101217. The next prime is 210101110101257. The reversal of 210101110101222 is 222101011101012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395664048 + ... + 396194700.

It is an arithmetic number, because the mean of its divisors is an integer number (6751765555920).

Almost surely, 2^{210101110101222} is an apocalyptic number.

210101110101222 is an abundant number, since it is smaller than the sum of its proper divisors (222011885477658).

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

210101110101222 is a wasteful number, since it uses less digits than its factorization.

210101110101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536909.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210101110101222 its reverse (222101011101012), we get a palindrome (432202121202234).

It can be divided in two parts, 2101011101012 and 22, that multiplied together give a palindrome (46222244222264).

The spelling of 210101110101222 in words is "two hundred ten trillion, one hundred one billion, one hundred ten million, one hundred one thousand, two hundred twenty-two".