1101211222113 has 20 divisors (see below), whose sum is σ = 1645151202288. Its totient is φ = 734081919480.

The previous prime is 1101211222099. The next prime is 1101211222129. The reversal of 1101211222113 is 3112221121011.

It is a happy number.

It is not a de Polignac number, because 1101211222113 - 2¹⁷ = 1101211091041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1101211222213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 482470 + ... + 1560512.

Almost surely, 2^{1101211222113} is an apocalyptic number.

It is an amenable number.

1101211222113 is a deficient number, since it is larger than the sum of its proper divisors (543939980175).

1101211222113 is a wasteful number, since it uses less digits than its factorization.

1101211222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090666 (or 1090657 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1101211222113 its reverse (3112221121011), we get a palindrome (4213432343124).

The spelling of 1101211222113 in words is "one trillion, one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, one hundred thirteen".