11000211220987 has 2 divisors, whose sum is σ = 11000211220988. Its totient is φ = 11000211220986.

The previous prime is 11000211220919. The next prime is 11000211220991. The reversal of 11000211220987 is 78902211200011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11000211220987 - 2³⁹ = 10450455407099 is a prime.

It is not a weakly prime, because it can be changed into another prime (11000241220987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500105610493 + 5500105610494.

It is an arithmetic number, because the mean of its divisors is an integer number (5500105610494).

Almost surely, 2^{11000211220987} is an apocalyptic number.

11000211220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000211220987 is an equidigital number, since it uses as much as digits as its factorization.

11000211220987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

Adding to 11000211220987 its reverse (78902211200011), we get a palindrome (89902422420998).

The spelling of 11000211220987 in words is "eleven trillion, two hundred eleven million, two hundred twenty thousand, nine hundred eighty-seven".