1002444320101 has 24 divisors (see below), whose sum is σ = 1202623319040. Its totient is φ = 832647174912.

The previous prime is 1002444320093. The next prime is 1002444320117. The reversal of 1002444320101 is 1010234442001.

It is a happy number.

It is not a de Polignac number, because 1002444320101 - 2³ = 1002444320093 is a prime.

It is a super-2 number, since 2×1002444320101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002444320131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1605516 + ... + 2140693.

It is an arithmetic number, because the mean of its divisors is an integer number (50109304960).

Almost surely, 2^{1002444320101} is an apocalyptic number.

It is an amenable number.

1002444320101 is a deficient number, since it is larger than the sum of its proper divisors (200178998939).

1002444320101 is a wasteful number, since it uses less digits than its factorization.

1002444320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746393 (or 3746386 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1002444320101 its reverse (1010234442001), we get a palindrome (2012678762102).

The spelling of 1002444320101 in words is "one trillion, two billion, four hundred forty-four million, three hundred twenty thousand, one hundred one".