102002111201 has 4 divisors (see below), whose sum is σ = 102389952192. Its totient is φ = 101614270212.

The previous prime is 102002111153. The next prime is 102002111207. The reversal of 102002111201 is 102111200201.

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: 102111200201 = 29 ⋅3521075869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102002111201 is a prime.

It is a super-2 number, since 2×102002111201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102002111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193920101 + ... + 193920626.

It is an arithmetic number, because the mean of its divisors is an integer number (25597488048).

Almost surely, 2^102002111201 is an apocalyptic number.

It is an amenable number.

102002111201 is a deficient number, since it is larger than the sum of its proper divisors (387840991).

102002111201 is an equidigital number, since it uses as much as digits as its factorization.

102002111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387840990.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102002111201 its reverse (102111200201), we get a palindrome (204113311402).

The spelling of 102002111201 in words is "one hundred two billion, two million, one hundred eleven thousand, two hundred one".