1133212112111 has 2 divisors, whose sum is σ = 1133212112112. Its totient is φ = 1133212112110.

The previous prime is 1133212112101. The next prime is 1133212112183. The reversal of 1133212112111 is 1112112123311.

It is a m-pointer prime, because the next prime (1133212112183) can be obtained adding 1133212112111 to its product of digits (72).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133212112111 - 2²⁶ = 1133145003247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133212112101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566606056055 + 566606056056.

It is an arithmetic number, because the mean of its divisors is an integer number (566606056056).

Almost surely, 2^{1133212112111} is an apocalyptic number.

1133212112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133212112111 is an equidigital number, since it uses as much as digits as its factorization.

1133212112111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 20.

Adding to 1133212112111 its reverse (1112112123311), we get a palindrome (2245324235422).

The spelling of 1133212112111 in words is "one trillion, one hundred thirty-three billion, two hundred twelve million, one hundred twelve thousand, one hundred eleven".