100311220201001 has 4 divisors (see below), whose sum is σ = 101438312562900. Its totient is φ = 99184127839104.

The previous prime is 100311220200949. The next prime is 100311220201021. The reversal of 100311220201001 is 100102022113001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9049959139225 + 91261261061776 = 3008315^2 + 9553076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100311220201001 is a prime.

It is a super-2 number, since 2×100311220201001² (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 (100311220201021) 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, 563546180816 + ... + 563546180993.

It is an arithmetic number, because the mean of its divisors is an integer number (25359578140725).

Almost surely, 2^{100311220201001} is an apocalyptic number.

It is an amenable number.

100311220201001 is a deficient number, since it is larger than the sum of its proper divisors (1127092361899).

100311220201001 is an equidigital number, since it uses as much as digits as its factorization.

100311220201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127092361898.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100311220201001 its reverse (100102022113001), we get a palindrome (200413242314002).

The spelling of 100311220201001 in words is "one hundred trillion, three hundred eleven billion, two hundred twenty million, two hundred one thousand, one".