122231021111 has 8 divisors (see below), whose sum is σ = 123064599648. Its totient is φ = 121397760000.

The previous prime is 122231021069. The next prime is 122231021131. The reversal of 122231021111 is 111120132221.

It is a happy number.

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 122231021111 - 2⁶ = 122231021047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122231021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231021131) 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, 720791 + ... + 874071.

It is an arithmetic number, because the mean of its divisors is an integer number (15383074956).

Almost surely, 2^122231021111 is an apocalyptic number.

122231021111 is a deficient number, since it is larger than the sum of its proper divisors (833578537).

122231021111 is a wasteful number, since it uses less digits than its factorization.

122231021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158713.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122231021111 its reverse (111120132221), we get a palindrome (233351153332).

It can be divided in two parts, 1222310 and 21111, that added together give a palindrome (1243421).

The spelling of 122231021111 in words is "one hundred twenty-two billion, two hundred thirty-one million, twenty-one thousand, one hundred eleven".