100221112201011 has 4 divisors (see below), whose sum is σ = 133628149601352. Its totient is φ = 66814074800672.

The previous prime is 100221112200983. The next prime is 100221112201031. The reversal of 100221112201011 is 110102211122001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100221112201011 - 2⁷ = 100221112200883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100221112201031) 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, 16703518700166 + ... + 16703518700171.

It is an arithmetic number, because the mean of its divisors is an integer number (33407037400338).

Almost surely, 2^{100221112201011} is an apocalyptic number.

100221112201011 is a deficient number, since it is larger than the sum of its proper divisors (33407037400341).

100221112201011 is an equidigital number, since it uses as much as digits as its factorization.

100221112201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33407037400340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100221112201011 its reverse (110102211122001), we get a palindrome (210323323323012).

The spelling of 100221112201011 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twelve million, two hundred one thousand, eleven".