2001022010022 has 48 divisors (see below), whose sum is σ = 4682349132912. Its totient is φ = 568415816640.

The previous prime is 2001022010021. The next prime is 2001022010023. The reversal of 2001022010022 is 2200102201002.

It is an interprime number because it is at equal distance from previous prime (2001022010021) and next prime (2001022010023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001022010021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19620229 + ... + 19721952.

It is an arithmetic number, because the mean of its divisors is an integer number (97548940269).

Almost surely, 2^{2001022010022} is an apocalyptic number.

2001022010022 is an abundant number, since it is smaller than the sum of its proper divisors (2681327122890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001022010022 is a wasteful number, since it uses less digits than its factorization.

2001022010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39342373 (or 39342366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2001022010022 its reverse (2200102201002), we get a palindrome (4201124211024).

It can be divided in two parts, 200102201002 and 2, that multiplied together give a palindrome (400204402004).

The spelling of 2001022010022 in words is "two trillion, one billion, twenty-two million, ten thousand, twenty-two".