1211101103222 has 8 divisors (see below), whose sum is σ = 1923513516936. Its totient is φ = 569929930912.

The previous prime is 1211101103189. The next prime is 1211101103243. The reversal of 1211101103222 is 2223011011121.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1211101103222.

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 3 ways as a sum of consecutive naturals, for example, 17810310308 + ... + 17810310375.

It is an arithmetic number, because the mean of its divisors is an integer number (240439189617).

Almost surely, 2^{1211101103222} is an apocalyptic number.

1211101103222 is a deficient number, since it is larger than the sum of its proper divisors (712412413714).

1211101103222 is a wasteful number, since it uses less digits than its factorization.

1211101103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35620620702.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1211101103222 its reverse (2223011011121), we get a palindrome (3434112114343).

The spelling of 1211101103222 in words is "one trillion, two hundred eleven billion, one hundred one million, one hundred three thousand, two hundred twenty-two".