202212112121110 has 96 divisors (see below), whose sum is σ = 455987514437280. Its totient is φ = 63995353003008.

The previous prime is 202212112121099. The next prime is 202212112121153. The reversal of 202212112121110 is 11121211212202.

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 47 ways as a sum of consecutive naturals, for example, 301214142 + ... + 301884718.

It is an arithmetic number, because the mean of its divisors is an integer number (4749869942055).

Almost surely, 2^{202212112121110} is an apocalyptic number.

202212112121110 is an abundant number, since it is smaller than the sum of its proper divisors (253775402316170).

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

202212112121110 is a wasteful number, since it uses less digits than its factorization.

202212112121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717950 (or 717943 counting only the distinct ones).

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

Adding to 202212112121110 its reverse (11121211212202), we get a palindrome (213333323333312).

The spelling of 202212112121110 in words is "two hundred two trillion, two hundred twelve billion, one hundred twelve million, one hundred twenty-one thousand, one hundred ten".