102020030201 has 4 divisors (see below), whose sum is σ = 106455683712. Its totient is φ = 97584376692.

The previous prime is 102020030141. The next prime is 102020030213. The reversal of 102020030201 is 102030020201.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102030020201 = 137 ⋅744744673.

It is a cyclic number.

It is not a de Polignac number, because 102020030201 - 2²⁶ = 101952921337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020030401) 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, 2217826721 + ... + 2217826766.

It is an arithmetic number, because the mean of its divisors is an integer number (26613920928).

Almost surely, 2^102020030201 is an apocalyptic number.

It is an amenable number.

102020030201 is a deficient number, since it is larger than the sum of its proper divisors (4435653511).

102020030201 is an equidigital number, since it uses as much as digits as its factorization.

102020030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435653510.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 102020030201 its reverse (102030020201), we get a palindrome (204050050402).

The spelling of 102020030201 in words is "one hundred two billion, twenty million, thirty thousand, two hundred one".