2001111222022 has 16 divisors (see below), whose sum is σ = 3274567394112. Its totient is φ = 909589966120.

The previous prime is 2001111222013. The next prime is 2001111222031. The reversal of 2001111222022 is 2202221111002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2001111222013) and next prime (2001111222031).

It is a super-2 number, since 2×2001111222022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001111221987 and 2001111222005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6068973 + ... + 6390199.

It is an arithmetic number, because the mean of its divisors is an integer number (204660462132).

Almost surely, 2^{2001111222022} is an apocalyptic number.

2001111222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001111222022 is a deficient number, since it is larger than the sum of its proper divisors (1273456172090).

2001111222022 is a wasteful number, since it uses less digits than its factorization.

2001111222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604403.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2001111222022 its reverse (2202221111002), we get a palindrome (4203332333024).

The spelling of 2001111222022 in words is "two trillion, one billion, one hundred eleven million, two hundred twenty-two thousand, twenty-two".