100012011002221 has 8 divisors (see below), whose sum is σ = 100145920616064. Its totient is φ = 99878107919520.

The previous prime is 100012011002209. The next prime is 100012011002251. The reversal of 100012011002221 is 122200110210001.

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

It is a cyclic number.

It is not a de Polignac number, because 100012011002221 - 2⁷ = 100012011002093 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 (100012011002251) 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, 29408620 + ... + 32632666.

It is an arithmetic number, because the mean of its divisors is an integer number (12518240077008).

Almost surely, 2^{100012011002221} is an apocalyptic number.

It is an amenable number.

100012011002221 is a deficient number, since it is larger than the sum of its proper divisors (133909613843).

100012011002221 is an equidigital number, since it uses as much as digits as its factorization.

100012011002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265571.

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

Adding to 100012011002221 its reverse (122200110210001), we get a palindrome (222212121212222).

The spelling of 100012011002221 in words is "one hundred trillion, twelve billion, eleven million, two thousand, two hundred twenty-one".