10001122210987 has 16 divisors (see below), whose sum is σ = 10225508961312. Its totient is φ = 9778959210240.

The previous prime is 10001122210967. The next prime is 10001122210997. The reversal of 10001122210987 is 78901222110001.

It is a cyclic number.

It is not a de Polignac number, because 10001122210987 - 2³⁵ = 9966762472619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10001122210927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101773537 + ... + 101871757.

It is an arithmetic number, because the mean of its divisors is an integer number (639094310082).

Almost surely, 2^{10001122210987} is an apocalyptic number.

10001122210987 is a deficient number, since it is larger than the sum of its proper divisors (224386750325).

10001122210987 is a wasteful number, since it uses less digits than its factorization.

10001122210987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109518.

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

Adding to 10001122210987 its reverse (78901222110001), we get a palindrome (88902344320988).

The spelling of 10001122210987 in words is "ten trillion, one billion, one hundred twenty-two million, two hundred ten thousand, nine hundred eighty-seven".