1210111102122 has 64 divisors (see below), whose sum is σ = 2723752120320. Its totient is φ = 355944786624.

The previous prime is 1210111102103. The next prime is 1210111102199. The reversal of 1210111102122 is 2212011110121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3680622 + ... + 3995897.

It is an arithmetic number, because the mean of its divisors is an integer number (42558626880).

Almost surely, 2^{1210111102122} is an apocalyptic number.

1210111102122 is an abundant number, since it is smaller than the sum of its proper divisors (1513641018198).

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

1210111102122 is a wasteful number, since it uses less digits than its factorization.

1210111102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676627.

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

Adding to 1210111102122 its reverse (2212011110121), we get a palindrome (3422122212243).

The spelling of 1210111102122 in words is "one trillion, two hundred ten billion, one hundred eleven million, one hundred two thousand, one hundred twenty-two".