100020111222001 has 4 divisors (see below), whose sum is σ = 100175663495152. Its totient is φ = 99864558948852.

The previous prime is 100020111221993. The next prime is 100020111222019. The reversal of 100020111222001 is 100222111020001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100020111222001 - 2³ = 100020111221993 is a prime.

It is a super-2 number, since 2×100020111222001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020111222601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77776135611 + ... + 77776136896.

It is an arithmetic number, because the mean of its divisors is an integer number (25043915873788).

Almost surely, 2^{100020111222001} is an apocalyptic number.

It is an amenable number.

100020111222001 is a deficient number, since it is larger than the sum of its proper divisors (155552273151).

100020111222001 is an equidigital number, since it uses as much as digits as its factorization.

100020111222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155552273150.

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

Adding to 100020111222001 its reverse (100222111020001), we get a palindrome (200242222242002).

The spelling of 100020111222001 in words is "one hundred trillion, twenty billion, one hundred eleven million, two hundred twenty-two thousand, one".