2100022200987 has 8 divisors (see below), whose sum is σ = 2800074150720. Its totient is φ = 1399992525960.

The previous prime is 2100022200977. The next prime is 2100022200989. The reversal of 2100022200987 is 7890022200012.

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

It is not a de Polignac number, because 2100022200987 - 2³⁰ = 2098948459163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100022200989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5347437 + ... + 5726702.

It is an arithmetic number, because the mean of its divisors is an integer number (350009268840).

Almost surely, 2^{2100022200987} is an apocalyptic number.

2100022200987 is a deficient number, since it is larger than the sum of its proper divisors (700051949733).

2100022200987 is a wasteful number, since it uses less digits than its factorization.

2100022200987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137353.

The product of its (nonzero) digits is 8064, while the sum is 33.

Adding to 2100022200987 its reverse (7890022200012), we get a palindrome (9990044400999).

The spelling of 2100022200987 in words is "two trillion, one hundred billion, twenty-two million, two hundred thousand, nine hundred eighty-seven".