2001101101222 has 8 divisors (see below), whose sum is σ = 3001759673400. Its totient is φ = 1000514543424.

The previous prime is 2001101101199. The next prime is 2001101101231. The reversal of 2001101101222 is 2221011011002.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 17934072 + ... + 18045307.

It is an arithmetic number, because the mean of its divisors is an integer number (375219959175).

Almost surely, 2^{2001101101222} is an apocalyptic number.

2001101101222 is a deficient number, since it is larger than the sum of its proper divisors (1000658572178).

2001101101222 is a wasteful number, since it uses less digits than its factorization.

2001101101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36007190.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001101101222 its reverse (2221011011002), we get a palindrome (4222112112224).

The spelling of 2001101101222 in words is "two trillion, one billion, one hundred one million, one hundred one thousand, two hundred twenty-two".