1200122323111 has 8 divisors (see below), whose sum is σ = 1225706708160. Its totient is φ = 1174540015968.

The previous prime is 1200122323063. The next prime is 1200122323117. The reversal of 1200122323111 is 1113232210021.

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 1200122323111 - 2¹¹ = 1200122321063 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 (1200122323117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677025 + ... + 1690741.

It is an arithmetic number, because the mean of its divisors is an integer number (153213338520).

Almost surely, 2^{1200122323111} is an apocalyptic number.

1200122323111 is a deficient number, since it is larger than the sum of its proper divisors (25584385049).

1200122323111 is a wasteful number, since it uses less digits than its factorization.

1200122323111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038953.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1200122323111 its reverse (1113232210021), we get a palindrome (2313354533132).

The spelling of 1200122323111 in words is "one trillion, two hundred billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred eleven".