1100020089911 has 2 divisors, whose sum is σ = 1100020089912. Its totient is φ = 1100020089910.

The previous prime is 1100020089901. The next prime is 1100020089923. The reversal of 1100020089911 is 1199800200011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100020089911 - 2²⁶ = 1099952981047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100020089901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550010044955 + 550010044956.

It is an arithmetic number, because the mean of its divisors is an integer number (550010044956).

Almost surely, 2^{1100020089911} is an apocalyptic number.

1100020089911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100020089911 is an equidigital number, since it uses as much as digits as its factorization.

1100020089911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 32.

Adding to 1100020089911 its reverse (1199800200011), we get a palindrome (2299820289922).

The spelling of 1100020089911 in words is "one trillion, one hundred billion, twenty million, eighty-nine thousand, nine hundred eleven".