100121413450 has 12 divisors (see below), whose sum is σ = 186225829110. Its totient is φ = 40048565360.

The previous prime is 100121413411. The next prime is 100121413471. The reversal of 100121413450 is 54314121001.

It can be written as a sum of positive squares in 3 ways, for example, as 95090206689 + 5031206761 = 308367^2 + 70931^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1001214085 + ... + 1001214184.

Almost surely, 2^100121413450 is an apocalyptic number.

100121413450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121413450 is a deficient number, since it is larger than the sum of its proper divisors (86104415660).

100121413450 is a wasteful number, since it uses less digits than its factorization.

100121413450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002428281 (or 2002428276 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 100121413450 its reverse (54314121001), we get a palindrome (154435534451).

The spelling of 100121413450 in words is "one hundred billion, one hundred twenty-one million, four hundred thirteen thousand, four hundred fifty".