1213093110911 has 16 divisors (see below), whose sum is σ = 1332816837120. Its totient is φ = 1094960317920.

The previous prime is 1213093110881. The next prime is 1213093110961. The reversal of 1213093110911 is 1190113903121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1213093110911 - 2⁶ = 1213093110847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213093110961) 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, 984950 + ... + 1842908.

It is an arithmetic number, because the mean of its divisors is an integer number (83301052320).

Almost surely, 2^{1213093110911} is an apocalyptic number.

1213093110911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1213093110911 is a deficient number, since it is larger than the sum of its proper divisors (119723726209).

1213093110911 is a wasteful number, since it uses less digits than its factorization.

1213093110911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858886.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 1213093110911 in words is "one trillion, two hundred thirteen billion, ninety-three million, one hundred ten thousand, nine hundred eleven".