100230034344221 has 4 divisors (see below), whose sum is σ = 100231173914844. Its totient is φ = 100228894773600.

The previous prime is 100230034344211. The next prime is 100230034344263. The reversal of 100230034344221 is 122443430032001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21405557104996 + 78824477239225 = 4626614^2 + 8878315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100230034344221 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 (100230034344211) 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, 569653370 + ... + 569829291.

It is an arithmetic number, because the mean of its divisors is an integer number (25057793478711).

Almost surely, 2^{100230034344221} is an apocalyptic number.

It is an amenable number.

100230034344221 is a deficient number, since it is larger than the sum of its proper divisors (1139570623).

100230034344221 is an equidigital number, since it uses as much as digits as its factorization.

100230034344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139570622.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 100230034344221 its reverse (122443430032001), we get a palindrome (222673464376222).

The spelling of 100230034344221 in words is "one hundred trillion, two hundred thirty billion, thirty-four million, three hundred forty-four thousand, two hundred twenty-one".