1000022100001 has 4 divisors (see below), whose sum is σ = 1023278427952. Its totient is φ = 976765772052.

The previous prime is 1000022099971. The next prime is 1000022100013. The reversal of 1000022100001 is 1000012200001.

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 1000022100001 - 2⁵ = 1000022099969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000022100031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11628163911 + ... + 11628163996.

It is an arithmetic number, because the mean of its divisors is an integer number (255819606988).

Almost surely, 2^{1000022100001} is an apocalyptic number.

It is an amenable number.

1000022100001 is a deficient number, since it is larger than the sum of its proper divisors (23256327951).

1000022100001 is an equidigital number, since it uses as much as digits as its factorization.

1000022100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23256327950.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1000022100001 its reverse (1000012200001), we get a palindrome (2000034300002).

The spelling of 1000022100001 in words is "one trillion, twenty-two million, one hundred thousand, one".