102001212101986 has 8 divisors (see below), whose sum is σ = 159654071116224. Its totient is φ = 48783188396580.

The previous prime is 102001212101981. The next prime is 102001212101993. The reversal of 102001212101986 is 689101212100201.

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

It is not an unprimeable number, because it can be changed into a prime (102001212101981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108708827150 + ... + 1108708827241.

It is an arithmetic number, because the mean of its divisors is an integer number (19956758889528).

Almost surely, 2^{102001212101986} is an apocalyptic number.

102001212101986 is a deficient number, since it is larger than the sum of its proper divisors (57652859014238).

102001212101986 is a wasteful number, since it uses less digits than its factorization.

102001212101986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217417654416.

The product of its (nonzero) digits is 3456, while the sum is 34.

The spelling of 102001212101986 in words is "one hundred two trillion, one billion, two hundred twelve million, one hundred one thousand, nine hundred eighty-six".