102021122003 has 4 divisors (see below), whose sum is σ = 107390654760. Its totient is φ = 96651589248.

The previous prime is 102021121997. The next prime is 102021122017. The reversal of 102021122003 is 300221120201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300221120201 = 18329 ⋅16379569.

It is a cyclic number.

It is not a de Polignac number, because 102021122003 - 2²⁸ = 101752686547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021122303) 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, 2684766350 + ... + 2684766387.

It is an arithmetic number, because the mean of its divisors is an integer number (26847663690).

Almost surely, 2^102021122003 is an apocalyptic number.

102021122003 is a deficient number, since it is larger than the sum of its proper divisors (5369532757).

102021122003 is an equidigital number, since it uses as much as digits as its factorization.

102021122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369532756.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102021122003 its reverse (300221120201), we get a palindrome (402242242204).

The spelling of 102021122003 in words is "one hundred two billion, twenty-one million, one hundred twenty-two thousand, three".