1020443222001 has 32 divisors (see below), whose sum is σ = 1556699074560. Its totient is φ = 582459034176.

The previous prime is 1020443221979. The next prime is 1020443222039. The reversal of 1020443222001 is 1002223440201.

It is not a de Polignac number, because 1020443222001 - 2⁹ = 1020443221489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1020443222801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99579460 + ... + 99589706.

It is an arithmetic number, because the mean of its divisors is an integer number (48646846080).

Almost surely, 2^{1020443222001} is an apocalyptic number.

It is an amenable number.

1020443222001 is a deficient number, since it is larger than the sum of its proper divisors (536255852559).

1020443222001 is a wasteful number, since it uses less digits than its factorization.

1020443222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15093.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1020443222001 its reverse (1002223440201), we get a palindrome (2022666662202).

The spelling of 1020443222001 in words is "one trillion, twenty billion, four hundred forty-three million, two hundred twenty-two thousand, one".