100010012120221 has 16 divisors (see below), whose sum is σ = 116035846326400. Its totient is φ = 84419573008320.

The previous prime is 100010012120219. The next prime is 100010012120243. The reversal of 100010012120221 is 122021210010001.

It is a cyclic number.

It is not a de Polignac number, because 100010012120221 - 2¹ = 100010012120219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010012150221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28449546 + ... + 31771003.

It is an arithmetic number, because the mean of its divisors is an integer number (7252240395400).

Almost surely, 2^{100010012120221} is an apocalyptic number.

It is an amenable number.

100010012120221 is a deficient number, since it is larger than the sum of its proper divisors (16025834206179).

100010012120221 is an equidigital number, since it uses as much as digits as its factorization.

100010012120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60224164.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100010012120221 its reverse (122021210010001), we get a palindrome (222031222130222).

The spelling of 100010012120221 in words is "one hundred trillion, ten billion, twelve million, one hundred twenty thousand, two hundred twenty-one".