1000020001022 has 16 divisors (see below), whose sum is σ = 1714348890720. Its totient is φ = 428572778208.

The previous prime is 1000020001021. The next prime is 1000020001039. The reversal of 1000020001022 is 2201000200001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020001021) 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, 305804 + ... + 1446912.

It is an arithmetic number, because the mean of its divisors is an integer number (107146805670).

Almost surely, 2^{1000020001022} is an apocalyptic number.

1000020001022 is a deficient number, since it is larger than the sum of its proper divisors (714328889698).

1000020001022 is a wasteful number, since it uses less digits than its factorization.

1000020001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203715.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1000020001022 its reverse (2201000200001), we get a palindrome (3201020201023).

The spelling of 1000020001022 in words is "one trillion, twenty million, one thousand, twenty-two".