10202003102 has 4 divisors (see below), whose sum is σ = 15303004656. Its totient is φ = 5101001550.

The previous prime is 10202003099. The next prime is 10202003107. The reversal of 10202003102 is 20130020201.

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: 20130020201 = 331 ⋅60815771.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202003107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550500774 + ... + 2550500777.

It is an arithmetic number, because the mean of its divisors is an integer number (3825751164).

Almost surely, 2^10202003102 is an apocalyptic number.

10202003102 is a deficient number, since it is larger than the sum of its proper divisors (5101001554).

10202003102 is an equidigital number, since it uses as much as digits as its factorization.

10202003102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101001553.

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

Adding to 10202003102 its reverse (20130020201), we get a palindrome (30332023303).

The spelling of 10202003102 in words is "ten billion, two hundred two million, three thousand, one hundred two".