1200020222111 has 16 divisors (see below), whose sum is σ = 1249001510400. Its totient is φ = 1151547559008.

The previous prime is 1200020222087. The next prime is 1200020222113. The reversal of 1200020222111 is 1112220200021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200020222111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200020222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54438830 + ... + 54460868.

It is an arithmetic number, because the mean of its divisors is an integer number (78062594400).

Almost surely, 2^{1200020222111} is an apocalyptic number.

1200020222111 is a deficient number, since it is larger than the sum of its proper divisors (48981288289).

1200020222111 is a wasteful number, since it uses less digits than its factorization.

1200020222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33478.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200020222111 its reverse (1112220200021), we get a palindrome (2312240422132).

The spelling of 1200020222111 in words is "one trillion, two hundred billion, twenty million, two hundred twenty-two thousand, one hundred eleven".