102045340211 has 4 divisors (see below), whose sum is σ = 102059447952. Its totient is φ = 102031232472.

The previous prime is 102045340151. The next prime is 102045340213. The reversal of 102045340211 is 112043540201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112043540201 = 71 ⋅1578078031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102045340211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102045340213) 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, 7043015 + ... + 7057488.

It is an arithmetic number, because the mean of its divisors is an integer number (25514861988).

Almost surely, 2^102045340211 is an apocalyptic number.

102045340211 is a deficient number, since it is larger than the sum of its proper divisors (14107741).

102045340211 is an equidigital number, since it uses as much as digits as its factorization.

102045340211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107740.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 102045340211 its reverse (112043540201), we get a palindrome (214088880412).

The spelling of 102045340211 in words is "one hundred two billion, forty-five million, three hundred forty thousand, two hundred eleven".