1101232031111 has 2 divisors, whose sum is σ = 1101232031112. Its totient is φ = 1101232031110.

The previous prime is 1101232031069. The next prime is 1101232031129. The reversal of 1101232031111 is 1111302321011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101232031111 - 2⁶ = 1101232031047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101232031111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101232031131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550616015555 + 550616015556.

It is an arithmetic number, because the mean of its divisors is an integer number (550616015556).

Almost surely, 2^{1101232031111} is an apocalyptic number.

1101232031111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101232031111 is an equidigital number, since it uses as much as digits as its factorization.

1101232031111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1101232031111 its reverse (1111302321011), we get a palindrome (2212534352122).

The spelling of 1101232031111 in words is "one trillion, one hundred one billion, two hundred thirty-two million, thirty-one thousand, one hundred eleven".