102001212102019 has 4 divisors (see below), whose sum is σ = 102196991780280. Its totient is φ = 101805432423760.

The previous prime is 102001212101993. The next prime is 102001212102037. The reversal of 102001212102019 is 910201212100201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102001212102019 - 2⁹ = 102001212101507 is a prime.

It is a super-3 number, since 3×102001212102019³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102061212102019) 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, 97889838349 + ... + 97889839390.

It is an arithmetic number, because the mean of its divisors is an integer number (25549247945070).

Almost surely, 2^{102001212102019} is an apocalyptic number.

102001212102019 is a deficient number, since it is larger than the sum of its proper divisors (195779678261).

102001212102019 is an equidigital number, since it uses as much as digits as its factorization.

102001212102019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195779678260.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 102001212102019 in words is "one hundred two trillion, one billion, two hundred twelve million, one hundred two thousand, nineteen".