102012100120201 has 4 divisors (see below), whose sum is σ = 102153980649600. Its totient is φ = 101870219590804.

The previous prime is 102012100120111. The next prime is 102012100120297. The reversal of 102012100120201 is 102021001210201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102012100120201 - 2¹¹ = 102012100118153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012100129201) 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, 70940263621 + ... + 70940265058.

It is an arithmetic number, because the mean of its divisors is an integer number (25538495162400).

Almost surely, 2^{102012100120201} is an apocalyptic number.

It is an amenable number.

102012100120201 is a deficient number, since it is larger than the sum of its proper divisors (141880529399).

102012100120201 is an equidigital number, since it uses as much as digits as its factorization.

102012100120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141880529398.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102012100120201 its reverse (102021001210201), we get a palindrome (204033101330402).

The spelling of 102012100120201 in words is "one hundred two trillion, twelve billion, one hundred million, one hundred twenty thousand, two hundred one".