1222200111211 has 8 divisors (see below), whose sum is σ = 1223133454400. Its totient is φ = 1221266901960.

The previous prime is 1222200111199. The next prime is 1222200111227. The reversal of 1222200111211 is 1121110022221.

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 1222200111211 - 2³⁵ = 1187840372843 is a prime.

It is a super-2 number, since 2×1222200111211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222200181211) 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, 25390276 + ... + 25438366.

It is an arithmetic number, because the mean of its divisors is an integer number (152891681800).

Almost surely, 2^{1222200111211} is an apocalyptic number.

1222200111211 is a deficient number, since it is larger than the sum of its proper divisors (933343189).

1222200111211 is a wasteful number, since it uses less digits than its factorization.

1222200111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66969.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222200111211 its reverse (1121110022221), we get a palindrome (2343310133432).

The spelling of 1222200111211 in words is "one trillion, two hundred twenty-two billion, two hundred million, one hundred eleven thousand, two hundred eleven".