1022003020001 has 4 divisors (see below), whose sum is σ = 1029804569904. Its totient is φ = 1014201470100.

The previous prime is 1022003019949. The next prime is 1022003020013. The reversal of 1022003020001 is 1000203002201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022003020001 - 2¹⁸ = 1022002757857 is a prime.

It is a super-3 number, since 3×1022003020001³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022003020061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900774755 + ... + 3900775016.

It is an arithmetic number, because the mean of its divisors is an integer number (257451142476).

Almost surely, 2^{1022003020001} is an apocalyptic number.

It is an amenable number.

1022003020001 is a deficient number, since it is larger than the sum of its proper divisors (7801549903).

1022003020001 is an equidigital number, since it uses as much as digits as its factorization.

1022003020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801549902.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1022003020001 its reverse (1000203002201), we get a palindrome (2022206022202).

The spelling of 1022003020001 in words is "one trillion, twenty-two billion, three million, twenty thousand, one".