1002021112401 has 8 divisors (see below), whose sum is σ = 1337807151744. Its totient is φ = 667124574000.

The previous prime is 1002021112399. The next prime is 1002021112423. The reversal of 1002021112401 is 1042111202001.

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

It is not a de Polignac number, because 1002021112401 - 2¹ = 1002021112399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002021112471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222372606 + ... + 222377111.

It is an arithmetic number, because the mean of its divisors is an integer number (167225893968).

Almost surely, 2^{1002021112401} is an apocalyptic number.

It is an amenable number.

1002021112401 is a deficient number, since it is larger than the sum of its proper divisors (335786039343).

1002021112401 is an equidigital number, since it uses as much as digits as its factorization.

1002021112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444750471.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002021112401 its reverse (1042111202001), we get a palindrome (2044132314402).

The spelling of 1002021112401 in words is "one trillion, two billion, twenty-one million, one hundred twelve thousand, four hundred one".