1002011120001 has 8 divisors (see below), whose sum is σ = 1484460918560. Its totient is φ = 668007413316.

The previous prime is 1002011119961. The next prime is 1002011120027. The reversal of 1002011120001 is 1000211102001.

It is a happy number.

It is not a de Polignac number, because 1002011120001 - 2¹⁷ = 1002010988929 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002011140001) 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, 18555761455 + ... + 18555761508.

It is an arithmetic number, because the mean of its divisors is an integer number (185557614820).

Almost surely, 2^{1002011120001} is an apocalyptic number.

It is an amenable number.

1002011120001 is a deficient number, since it is larger than the sum of its proper divisors (482449798559).

1002011120001 is an equidigital number, since it uses as much as digits as its factorization.

1002011120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37111522972 (or 37111522966 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1002011120001 its reverse (1000211102001), we get a palindrome (2002222222002).

The spelling of 1002011120001 in words is "one trillion, two billion, eleven million, one hundred twenty thousand, one".