1101211212011 has 2 divisors, whose sum is σ = 1101211212012. Its totient is φ = 1101211212010.

The previous prime is 1101211211987. The next prime is 1101211212019. The reversal of 1101211212011 is 1102121121011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101211212011 - 2³⁸ = 826333305067 is a prime.

It is a super-2 number, since 2×1101211212011² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101211212019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550605606005 + 550605606006.

It is an arithmetic number, because the mean of its divisors is an integer number (550605606006).

Almost surely, 2^{1101211212011} is an apocalyptic number.

1101211212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101211212011 is an equidigital number, since it uses as much as digits as its factorization.

1101211212011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1101211212011 its reverse (1102121121011), we get a palindrome (2203332333022).

The spelling of 1101211212011 in words is "one trillion, one hundred one billion, two hundred eleven million, two hundred twelve thousand, eleven".