1222200120111 has 24 divisors (see below), whose sum is σ = 1713948718464. Its totient is φ = 773236482480.

The previous prime is 1222200120073. The next prime is 1222200120133. The reversal of 1222200120111 is 1110210022221.

It is not a de Polignac number, because 1222200120111 - 2⁹ = 1222200119599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222200120161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563796 + ... + 1662006.

It is an arithmetic number, because the mean of its divisors is an integer number (71414529936).

Almost surely, 2^{1222200120111} is an apocalyptic number.

1222200120111 is a deficient number, since it is larger than the sum of its proper divisors (491748598353).

1222200120111 is a wasteful number, since it uses less digits than its factorization.

1222200120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098491 (or 1098364 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222200120111 its reverse (1110210022221), we get a palindrome (2332410142332).

The spelling of 1222200120111 in words is "one trillion, two hundred twenty-two billion, two hundred million, one hundred twenty thousand, one hundred eleven".