100440222410221 has 8 divisors (see below), whose sum is σ = 101364356037560. Its totient is φ = 99516137213952.

The previous prime is 100440222410183. The next prime is 100440222410243. The reversal of 100440222410221 is 122014222044001.

It can be written as a sum of positive squares in 4 ways, for example, as 13918413486121 + 86521808924100 = 3730739^2 + 9301710^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100440222410221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100440222410251) 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, 7934340 + ... + 16242973.

It is an arithmetic number, because the mean of its divisors is an integer number (12670544504695).

Almost surely, 2^{100440222410221} is an apocalyptic number.

It is an amenable number.

100440222410221 is a deficient number, since it is larger than the sum of its proper divisors (924133627339).

100440222410221 is a wasteful number, since it uses less digits than its factorization.

100440222410221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24215535.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 100440222410221 its reverse (122014222044001), we get a palindrome (222454444454222).

The spelling of 100440222410221 in words is "one hundred trillion, four hundred forty billion, two hundred twenty-two million, four hundred ten thousand, two hundred twenty-one".