110001121220987 has 2 divisors, whose sum is σ = 110001121220988. Its totient is φ = 110001121220986.

The previous prime is 110001121220953. The next prime is 110001121221029. The reversal of 110001121220987 is 789022121100011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110001121220987 - 2¹⁰ = 110001121219963 is a prime.

It is not a weakly prime, because it can be changed into another prime (110001121225987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000560610493 + 55000560610494.

It is an arithmetic number, because the mean of its divisors is an integer number (55000560610494).

Almost surely, 2^{110001121220987} is an apocalyptic number.

110001121220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001121220987 is an equidigital number, since it uses as much as digits as its factorization.

110001121220987 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 35.

Adding to 110001121220987 its reverse (789022121100011), we get a palindrome (899023242320998).

The spelling of 110001121220987 in words is "one hundred ten trillion, one billion, one hundred twenty-one million, two hundred twenty thousand, nine hundred eighty-seven".