1000022110001 has 2 divisors, whose sum is σ = 1000022110002. Its totient is φ = 1000022110000.

The previous prime is 1000022109967. The next prime is 1000022110057. The reversal of 1000022110001 is 1000112200001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997603437601 + 2418672400 = 998801^2 + 49180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000022110001 - 2¹⁰ = 1000022108977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000022110201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500011055000 + 500011055001.

It is an arithmetic number, because the mean of its divisors is an integer number (500011055001).

Almost surely, 2^{1000022110001} is an apocalyptic number.

It is an amenable number.

1000022110001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000022110001 is an equidigital number, since it uses as much as digits as its factorization.

1000022110001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1000022110001 its reverse (1000112200001), we get a palindrome (2000134310002).

The spelling of 1000022110001 in words is "one trillion, twenty-two million, one hundred ten thousand, one".