122102120111 has 8 divisors (see below), whose sum is σ = 124487274384. Its totient is φ = 119719978560.

The previous prime is 122102120093. The next prime is 122102120117. The reversal of 122102120111 is 111021201221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-122102120111 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 (122102120117) 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, 671246 + ... + 833531.

It is an arithmetic number, because the mean of its divisors is an integer number (15560909298).

Almost surely, 2^122102120111 is an apocalyptic number.

122102120111 is a deficient number, since it is larger than the sum of its proper divisors (2385154273).

122102120111 is a wasteful number, since it uses less digits than its factorization.

122102120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506361.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122102120111 its reverse (111021201221), we get a palindrome (233123321332).

The spelling of 122102120111 in words is "one hundred twenty-two billion, one hundred two million, one hundred twenty thousand, one hundred eleven".