100121441240433 has 4 divisors (see below), whose sum is σ = 133495254987248. Its totient is φ = 66747627493620.

The previous prime is 100121441240351. The next prime is 100121441240567. The reversal of 100121441240433 is 334042144121001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100121441240433 - 2¹² = 100121441236337 is a prime.

It is a super-2 number, since 2×100121441240433² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100121441240433.

It is not an unprimeable number, because it can be changed into a prime (100121441250433) 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, 16686906873403 + ... + 16686906873408.

It is an arithmetic number, because the mean of its divisors is an integer number (33373813746812).

Almost surely, 2^{100121441240433} is an apocalyptic number.

It is an amenable number.

100121441240433 is a deficient number, since it is larger than the sum of its proper divisors (33373813746815).

100121441240433 is an equidigital number, since it uses as much as digits as its factorization.

100121441240433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33373813746814.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 100121441240433 its reverse (334042144121001), we get a palindrome (434163585361434).

The spelling of 100121441240433 in words is "one hundred trillion, one hundred twenty-one billion, four hundred forty-one million, two hundred forty thousand, four hundred thirty-three".