1211102113113 has 8 divisors (see below), whose sum is σ = 1794225352800. Its totient is φ = 807401408724.

The previous prime is 1211102112991. The next prime is 1211102113121. The reversal of 1211102113113 is 3113112011121.

It is not a de Polignac number, because 1211102113113 - 2¹⁶ = 1211102047577 is a prime.

It is a super-3 number, since 3×1211102113113³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211102113163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22427816883 + ... + 22427816936.

It is an arithmetic number, because the mean of its divisors is an integer number (224278169100).

Almost surely, 2^{1211102113113} is an apocalyptic number.

It is an amenable number.

1211102113113 is a deficient number, since it is larger than the sum of its proper divisors (583123239687).

1211102113113 is an equidigital number, since it uses as much as digits as its factorization.

1211102113113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44855633828 (or 44855633822 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1211102113113 its reverse (3113112011121), we get a palindrome (4324214124234).

The spelling of 1211102113113 in words is "one trillion, two hundred eleven billion, one hundred two million, one hundred thirteen thousand, one hundred thirteen".