100121320202 has 8 divisors (see below), whose sum is σ = 150198401412. Its totient is φ = 50055186400.

The previous prime is 100121320177. The next prime is 100121320207. The reversal of 100121320202 is 202023121001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88351023121 + 11770297081 = 297239^2 + 108491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100121320207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713949 + ... + 2750592.

Almost surely, 2^100121320202 is an apocalyptic number.

100121320202 is a deficient number, since it is larger than the sum of its proper divisors (50077081210).

100121320202 is an equidigital number, since it uses as much as digits as its factorization.

100121320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473704.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100121320202 its reverse (202023121001), we get a palindrome (302144441203).

The spelling of 100121320202 in words is "one hundred billion, one hundred twenty-one million, three hundred twenty thousand, two hundred two".