1210111102213 has 16 divisors (see below), whose sum is σ = 1312812813312. Its totient is φ = 1108812960000.

The previous prime is 1210111102199. The next prime is 1210111102241. The reversal of 1210111102213 is 3122011110121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1210111102213 - 2²⁵ = 1210077547781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210111102283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353388 + ... + 1595338.

It is an arithmetic number, because the mean of its divisors is an integer number (82050800832).

Almost surely, 2^{1210111102213} is an apocalyptic number.

1210111102213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1210111102213 is a deficient number, since it is larger than the sum of its proper divisors (102701711099).

1210111102213 is a wasteful number, since it uses less digits than its factorization.

1210111102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242516.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1210111102213 its reverse (3122011110121), we get a palindrome (4332122212334).

The spelling of 1210111102213 in words is "one trillion, two hundred ten billion, one hundred eleven million, one hundred two thousand, two hundred thirteen".