101000222001 has 20 divisors (see below), whose sum is σ = 172430715072. Its totient is φ = 57714412248.

The previous prime is 101000221999. The next prime is 101000222041. The reversal of 101000222001 is 100222000101.

It is not a de Polignac number, because 101000222001 - 2¹ = 101000221999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101000222041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 89064885 + ... + 89066018.

Almost surely, 2^101000222001 is an apocalyptic number.

It is an amenable number.

101000222001 is a deficient number, since it is larger than the sum of its proper divisors (71430493071).

101000222001 is an equidigital number, since it uses as much as digits as its factorization.

101000222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178130922 (or 178130913 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101000222001 its reverse (100222000101), we get a palindrome (201222222102).

The spelling of 101000222001 in words is "one hundred one billion, two hundred twenty-two thousand, one".