122231120111 has 4 divisors (see below), whose sum is σ = 122738303424. Its totient is φ = 121723936800.

The previous prime is 122231120101. The next prime is 122231120173. The reversal of 122231120111 is 111021132221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122231120111 - 2²⁶ = 122164011247 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 122231120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231120101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253591295 + ... + 253591776.

It is an arithmetic number, because the mean of its divisors is an integer number (30684575856).

Almost surely, 2^122231120111 is an apocalyptic number.

122231120111 is a deficient number, since it is larger than the sum of its proper divisors (507183313).

122231120111 is an equidigital number, since it uses as much as digits as its factorization.

122231120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507183312.

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

Adding to 122231120111 its reverse (111021132221), we get a palindrome (233252252332).

The spelling of 122231120111 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred twenty thousand, one hundred eleven".