1020022021001 has 8 divisors (see below), whose sum is σ = 1085450572800. Its totient is φ = 955196497728.

The previous prime is 1020022020989. The next prime is 1020022021033. The reversal of 1020022021001 is 1001202200201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1020022021001 - 2¹⁰ = 1020022019977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020022021061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150753641 + ... + 150760406.

It is an arithmetic number, because the mean of its divisors is an integer number (135681321600).

Almost surely, 2^{1020022021001} is an apocalyptic number.

It is an amenable number.

1020022021001 is a deficient number, since it is larger than the sum of its proper divisors (65428551799).

1020022021001 is a wasteful number, since it uses less digits than its factorization.

1020022021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301514263.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020022021001 its reverse (1001202200201), we get a palindrome (2021224221202).

The spelling of 1020022021001 in words is "one trillion, twenty billion, twenty-two million, twenty-one thousand, one".