1002202023103 has 4 divisors (see below), whose sum is σ = 1026645974928. Its totient is φ = 977758071280.

The previous prime is 1002202023091. The next prime is 1002202023127. The reversal of 1002202023103 is 3013202022001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002202023103 - 2¹⁷ = 1002201892031 is a prime.

It is a super-2 number, since 2×1002202023103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002202023133) 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, 12221975851 + ... + 12221975932.

It is an arithmetic number, because the mean of its divisors is an integer number (256661493732).

Almost surely, 2^{1002202023103} is an apocalyptic number.

1002202023103 is a deficient number, since it is larger than the sum of its proper divisors (24443951825).

1002202023103 is an equidigital number, since it uses as much as digits as its factorization.

1002202023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24443951824.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1002202023103 its reverse (3013202022001), we get a palindrome (4015404045104).

The spelling of 1002202023103 in words is "one trillion, two billion, two hundred two million, twenty-three thousand, one hundred three".