100201412321321 has 4 divisors (see below), whose sum is σ = 100202253882192. Its totient is φ = 100200570760452.

The previous prime is 100201412321291. The next prime is 100201412321347. The reversal of 100201412321321 is 123123214102001.

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 not a de Polignac number, because 100201412321321 - 2²² = 100201408127017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100201412341321) 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, 420601811 + ... + 420839976.

It is an arithmetic number, because the mean of its divisors is an integer number (25050563470548).

Almost surely, 2^{100201412321321} is an apocalyptic number.

It is an amenable number.

100201412321321 is a deficient number, since it is larger than the sum of its proper divisors (841560871).

100201412321321 is an equidigital number, since it uses as much as digits as its factorization.

100201412321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841560870.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 100201412321321 its reverse (123123214102001), we get a palindrome (223324626423322).

The spelling of 100201412321321 in words is "one hundred trillion, two hundred one billion, four hundred twelve million, three hundred twenty-one thousand, three hundred twenty-one".