11021002201987 has 8 divisors (see below), whose sum is σ = 11659351712000. Its totient is φ = 10388482368264.

The previous prime is 11021002201901. The next prime is 11021002201997. The reversal of 11021002201987 is 78910220012011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021002201987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021002201997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1457415183 + ... + 1457422744.

It is an arithmetic number, because the mean of its divisors is an integer number (1457418964000).

Almost surely, 2^{11021002201987} is an apocalyptic number.

11021002201987 is a deficient number, since it is larger than the sum of its proper divisors (638349510013).

11021002201987 is a wasteful number, since it uses less digits than its factorization.

11021002201987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914838145.

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

Adding to 11021002201987 its reverse (78910220012011), we get a palindrome (89931222213998).

The spelling of 11021002201987 in words is "eleven trillion, twenty-one billion, two million, two hundred one thousand, nine hundred eighty-seven".