100224322422221 has 4 divisors (see below), whose sum is σ = 100228930246944. Its totient is φ = 100219714597500.

The previous prime is 100224322422199. The next prime is 100224322422331. The reversal of 100224322422221 is 122224223422001.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100224322422221 is a prime.

It is a super-2 number, since 2×100224322422221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100224322422121) 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, 2303879735 + ... + 2303923236.

It is an arithmetic number, because the mean of its divisors is an integer number (25057232561736).

Almost surely, 2^{100224322422221} is an apocalyptic number.

It is an amenable number.

100224322422221 is a deficient number, since it is larger than the sum of its proper divisors (4607824723).

100224322422221 is an equidigital number, since it uses as much as digits as its factorization.

100224322422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607824722.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 100224322422221 its reverse (122224223422001), we get a palindrome (222448545844222).

The spelling of 100224322422221 in words is "one hundred trillion, two hundred twenty-four billion, three hundred twenty-two million, four hundred twenty-two thousand, two hundred twenty-one".