122211225111 has 8 divisors (see below), whose sum is σ = 162987012864. Its totient is φ = 81454793720.

The previous prime is 122211225053. The next prime is 122211225139. The reversal of 122211225111 is 111522112221.

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 122211225111 - 2¹¹ = 122211223063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211220111) 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, 4824351 + ... + 4849616.

It is an arithmetic number, because the mean of its divisors is an integer number (20373376608).

Almost surely, 2^122211225111 is an apocalyptic number.

122211225111 is a deficient number, since it is larger than the sum of its proper divisors (40775787753).

122211225111 is an equidigital number, since it uses as much as digits as its factorization.

122211225111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678181.

The product of its digits is 160, while the sum is 21.

Adding to 122211225111 its reverse (111522112221), we get a palindrome (233733337332).

The spelling of 122211225111 in words is "one hundred twenty-two billion, two hundred eleven million, two hundred twenty-five thousand, one hundred eleven".