1100120001011 has 2 divisors, whose sum is σ = 1100120001012. Its totient is φ = 1100120001010.

The previous prime is 1100120000983. The next prime is 1100120001023. The reversal of 1100120001011 is 1101000210011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100120001011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100120001011.

It is not a weakly prime, because it can be changed into another prime (1100120001061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550060000505 + 550060000506.

It is an arithmetic number, because the mean of its divisors is an integer number (550060000506).

Almost surely, 2^{1100120001011} is an apocalyptic number.

1100120001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100120001011 is an equidigital number, since it uses as much as digits as its factorization.

1100120001011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1100120001011 its reverse (1101000210011), we get a palindrome (2201120211022).

The spelling of 1100120001011 in words is "one trillion, one hundred billion, one hundred twenty million, one thousand, eleven".