102001120211 has 4 divisors (see below), whose sum is σ = 102027072024. Its totient is φ = 101975168400.

The previous prime is 102001120183. The next prime is 102001120271. The reversal of 102001120211 is 112021100201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112021100201 = 19 ⋅5895847379.

It is a cyclic number.

It is not a de Polignac number, because 102001120211 - 2³⁴ = 84821251027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102001120192 and 102001120201.

It is not an unprimeable number, because it can be changed into a prime (102001120271) 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, 12970010 + ... + 12977871.

It is an arithmetic number, because the mean of its divisors is an integer number (25506768006).

Almost surely, 2^102001120211 is an apocalyptic number.

102001120211 is a deficient number, since it is larger than the sum of its proper divisors (25951813).

102001120211 is an equidigital number, since it uses as much as digits as its factorization.

102001120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25951812.

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

Adding to 102001120211 its reverse (112021100201), we get a palindrome (214022220412).

The spelling of 102001120211 in words is "one hundred two billion, one million, one hundred twenty thousand, two hundred eleven".