10102201121987 has 8 divisors (see below), whose sum is σ = 10987009294800. Its totient is φ = 9232780917600.

The previous prime is 10102201121981. The next prime is 10102201121989. The reversal of 10102201121987 is 78912110220101.

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-10102201121987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10102201121981) 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, 3846990737 + ... + 3846993362.

It is an arithmetic number, because the mean of its divisors is an integer number (1373376161850).

Almost surely, 2^{10102201121987} is an apocalyptic number.

10102201121987 is a deficient number, since it is larger than the sum of its proper divisors (884808172813).

10102201121987 is a wasteful number, since it uses less digits than its factorization.

10102201121987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693984213.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 10102201121987 in words is "ten trillion, one hundred two billion, two hundred one million, one hundred twenty-one thousand, nine hundred eighty-seven".