2001022212033 has 32 divisors (see below), whose sum is σ = 3197017308800. Its totient is φ = 1229661321408.

The previous prime is 2001022212019. The next prime is 2001022212037. The reversal of 2001022212033 is 3302122201002.

It is not a de Polignac number, because 2001022212033 - 2⁵ = 2001022212001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001022211997 and 2001022212015.

It is not an unprimeable number, because it can be changed into a prime (2001022212037) 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, 3771535 + ... + 4269252.

It is an arithmetic number, because the mean of its divisors is an integer number (99906790900).

Almost surely, 2^{2001022212033} is an apocalyptic number.

It is an amenable number.

2001022212033 is a deficient number, since it is larger than the sum of its proper divisors (1195995096767).

2001022212033 is a wasteful number, since it uses less digits than its factorization.

2001022212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041518 (or 8041512 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2001022212033 its reverse (3302122201002), we get a palindrome (5303144413035).

The spelling of 2001022212033 in words is "two trillion, one billion, twenty-two million, two hundred twelve thousand, thirty-three".