1222110020111 has 8 divisors (see below), whose sum is σ = 1239793212240. Its totient is φ = 1204542783808.

The previous prime is 1222110020107. The next prime is 1222110020119. The reversal of 1222110020111 is 1110200112221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222110020111 - 2² = 1222110020107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222110020119) by changing a digit.

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, 28967726 + ... + 29009883.

It is an arithmetic number, because the mean of its divisors is an integer number (154974151530).

Almost surely, 2^{1222110020111} is an apocalyptic number.

1222110020111 is a deficient number, since it is larger than the sum of its proper divisors (17683192129).

1222110020111 is a wasteful number, since it uses less digits than its factorization.

1222110020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57977913.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222110020111 its reverse (1110200112221), we get a palindrome (2332310132332).

The spelling of 1222110020111 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, twenty thousand, one hundred eleven".