2001122200022 has 16 divisors (see below), whose sum is σ = 3306355483392. Its totient is φ = 900769921320.

The previous prime is 2001122199941. The next prime is 2001122200117. The reversal of 2001122200022 is 2200022211002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441551618 + ... + 441556149.

It is an arithmetic number, because the mean of its divisors is an integer number (206647217712).

Almost surely, 2^{2001122200022} is an apocalyptic number.

2001122200022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001122200022 is a deficient number, since it is larger than the sum of its proper divisors (1305233283370).

2001122200022 is a wasteful number, since it uses less digits than its factorization.

2001122200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883107883.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2001122200022 its reverse (2200022211002), we get a palindrome (4201144411024).

The spelling of 2001122200022 in words is "two trillion, one billion, one hundred twenty-two million, two hundred thousand, twenty-two".