11211120101011 has 2 divisors, whose sum is σ = 11211120101012. Its totient is φ = 11211120101010.

The previous prime is 11211120100907. The next prime is 11211120101033. The reversal of 11211120101011 is 11010102111211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11211120101011 - 2¹⁵ = 11211120068243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211120100982 and 11211120101000.

It is not a weakly prime, because it can be changed into another prime (11211120111011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605560050505 + 5605560050506.

It is an arithmetic number, because the mean of its divisors is an integer number (5605560050506).

Almost surely, 2^{11211120101011} is an apocalyptic number.

11211120101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211120101011 is an equidigital number, since it uses as much as digits as its factorization.

11211120101011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11211120101011 its reverse (11010102111211), we get a palindrome (22221222212222).

The spelling of 11211120101011 in words is "eleven trillion, two hundred eleven billion, one hundred twenty million, one hundred one thousand, eleven".