1001022222001 has 8 divisors (see below), whose sum is σ = 1018029484800. Its totient is φ = 984016318800.

The previous prime is 1001022221999. The next prime is 1001022222029. The reversal of 1001022222001 is 1002222201001.

It is a happy number.

1001022222001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001022222001 - 2¹ = 1001022221999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001022222701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204215 + ... + 1858003.

It is an arithmetic number, because the mean of its divisors is an integer number (127253685600).

Almost surely, 2^{1001022222001} is an apocalyptic number.

It is an amenable number.

1001022222001 is a deficient number, since it is larger than the sum of its proper divisors (17007262799).

1001022222001 is an equidigital number, since it uses as much as digits as its factorization.

1001022222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679799.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1001022222001 its reverse (1002222201001), we get a palindrome (2003244423002).

The spelling of 1001022222001 in words is "one trillion, one billion, twenty-two million, two hundred twenty-two thousand, one".