2102012210987 has 8 divisors (see below), whose sum is σ = 2267726257104. Its totient is φ = 1936872564768.

The previous prime is 2102012210983. The next prime is 2102012211011. The reversal of 2102012210987 is 7890122102012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102012210987 - 2² = 2102012210983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102012210983) 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, 143592368 + ... + 143607005.

It is an arithmetic number, because the mean of its divisors is an integer number (283465782138).

Almost surely, 2^{2102012210987} is an apocalyptic number.

2102012210987 is a deficient number, since it is larger than the sum of its proper divisors (165714046117).

2102012210987 is a wasteful number, since it uses less digits than its factorization.

2102012210987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287199949.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 2102012210987 its reverse (7890122102012), we get a palindrome (9992134312999).

The spelling of 2102012210987 in words is "two trillion, one hundred two billion, twelve million, two hundred ten thousand, nine hundred eighty-seven".