1200222120111 has 256 divisors, whose sum is σ = 2149908480000. Its totient is φ = 579025649664.

The previous prime is 1200222120109. The next prime is 1200222120131. The reversal of 1200222120111 is 1110212220021.

It is not a de Polignac number, because 1200222120111 - 2¹ = 1200222120109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200222120131) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3133739026 + ... + 3133739408.

It is an arithmetic number, because the mean of its divisors is an integer number (8398080000).

Almost surely, 2^{1200222120111} is an apocalyptic number.

1200222120111 is a deficient number, since it is larger than the sum of its proper divisors (949686359889).

1200222120111 is a wasteful number, since it uses less digits than its factorization.

1200222120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726.

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

Adding to 1200222120111 its reverse (1110212220021), we get a palindrome (2310434340132).

The spelling of 1200222120111 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred twenty thousand, one hundred eleven".