2001112210222 has 16 divisors (see below), whose sum is σ = 3105783316800. Its totient is φ = 965864642400.

The previous prime is 2001112210217. The next prime is 2001112210249. The reversal of 2001112210222 is 2220122111002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001112210196 and 2001112210205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3086022 + ... + 3677737.

It is an arithmetic number, because the mean of its divisors is an integer number (194111457300).

Almost surely, 2^{2001112210222} is an apocalyptic number.

2001112210222 is a deficient number, since it is larger than the sum of its proper divisors (1104671106578).

2001112210222 is a wasteful number, since it uses less digits than its factorization.

2001112210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768891.

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

Adding to 2001112210222 its reverse (2220122111002), we get a palindrome (4221234321224).

The spelling of 2001112210222 in words is "two trillion, one billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-two".