42102205003 has 4 divisors (see below), whose sum is σ = 42110871088. Its totient is φ = 42093538920.

The previous prime is 42102205001. The next prime is 42102205039. The reversal of 42102205003 is 30050220124.

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 42102205003 - 2¹ = 42102205001 is a prime.

It is a super-2 number, since 2×42102205003² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42102205001) 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, 4325751 + ... + 4335472.

It is an arithmetic number, because the mean of its divisors is an integer number (10527717772).

Almost surely, 2^42102205003 is an apocalyptic number.

42102205003 is a deficient number, since it is larger than the sum of its proper divisors (8666085).

42102205003 is an equidigital number, since it uses as much as digits as its factorization.

42102205003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666084.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 42102205003 its reverse (30050220124), we get a palindrome (72152425127).

The spelling of 42102205003 in words is "forty-two billion, one hundred two million, two hundred five thousand, three".