100221001012111 has 8 divisors (see below), whose sum is σ = 114818331585440. Its totient is φ = 85693681617408.

The previous prime is 100221001012061. The next prime is 100221001012157. The reversal of 100221001012111 is 111210100122001.

It is a happy number.

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 100221001012111 - 2¹¹ = 100221001010063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100221001012091 and 100221001012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221301012111) 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, 17502791586 + ... + 17502797311.

It is an arithmetic number, because the mean of its divisors is an integer number (14352291448180).

Almost surely, 2^{100221001012111} is an apocalyptic number.

100221001012111 is a deficient number, since it is larger than the sum of its proper divisors (14597330573329).

100221001012111 is an equidigital number, since it uses as much as digits as its factorization.

100221001012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35005589313.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100221001012111 its reverse (111210100122001), we get a palindrome (211431101134112).

The spelling of 100221001012111 in words is "one hundred trillion, two hundred twenty-one billion, one million, twelve thousand, one hundred eleven".