122103011220111 has 8 divisors (see below), whose sum is σ = 180893349955760. Its totient is φ = 81402007480056.

The previous prime is 122103011220089. The next prime is 122103011220119. The reversal of 122103011220111 is 111022110301221.

It is a happy number.

122103011220111 is a `hidden beast` number, since 1 + 22 + 10 + 301 + 1 + 220 + 111 = 666.

122103011220111 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 122103011220111 - 2⁷ = 122103011219983 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 (122103011220119) 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, 2261166874420 + ... + 2261166874473.

It is an arithmetic number, because the mean of its divisors is an integer number (22611668744470).

Almost surely, 2^{122103011220111} is an apocalyptic number.

122103011220111 is a deficient number, since it is larger than the sum of its proper divisors (58790338735649).

122103011220111 is an equidigital number, since it uses as much as digits as its factorization.

122103011220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522333748902 (or 4522333748896 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 122103011220111 its reverse (111022110301221), we get a palindrome (233125121521332).

The spelling of 122103011220111 in words is "one hundred twenty-two trillion, one hundred three billion, eleven million, two hundred twenty thousand, one hundred eleven".