100011010011221 has 8 divisors (see below), whose sum is σ = 100176266494464. Its totient is φ = 99845755153200.

The previous prime is 100011010011217. The next prime is 100011010011257. The reversal of 100011010011221 is 122110010110001.

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 100011010011221 - 2² = 100011010011217 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 (100011010016221) 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, 240984731 + ... + 241399383.

It is an arithmetic number, because the mean of its divisors is an integer number (12522033311808).

Almost surely, 2^{100011010011221} is an apocalyptic number.

It is an amenable number.

100011010011221 is a deficient number, since it is larger than the sum of its proper divisors (165256483243).

100011010011221 is an equidigital number, since it uses as much as digits as its factorization.

100011010011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812611.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100011010011221 its reverse (122110010110001), we get a palindrome (222121020121222).

The spelling of 100011010011221 in words is "one hundred trillion, eleven billion, ten million, eleven thousand, two hundred twenty-one".