100201042450 has 12 divisors (see below), whose sum is σ = 186373939050. Its totient is φ = 40080416960.

The previous prime is 100201042433. The next prime is 100201042453. The reversal of 100201042450 is 54240102001.

It can be written as a sum of positive squares in 3 ways, for example, as 60072539409 + 40128503041 = 245097^2 + 200321^2 .

It is not an unprimeable number, because it can be changed into a prime (100201042453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002010375 + ... + 1002010474.

Almost surely, 2^100201042450 is an apocalyptic number.

100201042450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100201042450 is a deficient number, since it is larger than the sum of its proper divisors (86172896600).

100201042450 is a wasteful number, since it uses less digits than its factorization.

100201042450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004020861 (or 2004020856 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 100201042450 its reverse (54240102001), we get a palindrome (154441144451).

The spelling of 100201042450 in words is "one hundred billion, two hundred one million, forty-two thousand, four hundred fifty".