100401121033244 has 24 divisors (see below), whose sum is σ = 181766202063600. Its totient is φ = 48468026194560.

The previous prime is 100401121033237. The next prime is 100401121033247. The reversal of 100401121033244 is 442330121104001.

It is a super-2 number, since 2×100401121033244² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100401121033247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400097 + ... + 17004824.

It is an arithmetic number, because the mean of its divisors is an integer number (7573591752650).

Almost surely, 2^{100401121033244} is an apocalyptic number.

It is an amenable number.

100401121033244 is a deficient number, since it is larger than the sum of its proper divisors (81365081030356).

100401121033244 is a wasteful number, since it uses less digits than its factorization.

100401121033244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26437733 (or 26437731 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 100401121033244 its reverse (442330121104001), we get a palindrome (542731242137245).

The spelling of 100401121033244 in words is "one hundred trillion, four hundred one billion, one hundred twenty-one million, thirty-three thousand, two hundred forty-four".