1232220013111 has 32 divisors (see below), whose sum is σ = 1365813619200. Its totient is φ = 1106486231040.

The previous prime is 1232220013103. The next prime is 1232220013127. The reversal of 1232220013111 is 1113100222321.

It is a cyclic number.

It is not a de Polignac number, because 1232220013111 - 2³ = 1232220013103 is a prime.

It is a super-2 number, since 2×1232220013111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232220013181) 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 31 ways as a sum of consecutive naturals, for example, 118831735 + ... + 118842103.

It is an arithmetic number, because the mean of its divisors is an integer number (42681675600).

Almost surely, 2^{1232220013111} is an apocalyptic number.

1232220013111 is a deficient number, since it is larger than the sum of its proper divisors (133593606089).

1232220013111 is a wasteful number, since it uses less digits than its factorization.

1232220013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13579.

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

Adding to 1232220013111 its reverse (1113100222321), we get a palindrome (2345320235432).

The spelling of 1232220013111 in words is "one trillion, two hundred thirty-two billion, two hundred twenty million, thirteen thousand, one hundred eleven".