122123111101 has 16 divisors (see below), whose sum is σ = 125602888320. Its totient is φ = 118698039360.

The previous prime is 122123111083. The next prime is 122123111113. The reversal of 122123111101 is 101111321221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122123111101 - 2²⁵ = 122089556669 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 (122123111801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1814416 + ... + 1880518.

It is an arithmetic number, because the mean of its divisors is an integer number (7850180520).

Almost surely, 2^122123111101 is an apocalyptic number.

It is an amenable number.

122123111101 is a deficient number, since it is larger than the sum of its proper divisors (3479777219).

122123111101 is a wasteful number, since it uses less digits than its factorization.

122123111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66516.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 122123111101 its reverse (101111321221), we get a palindrome (223234432322).

The spelling of 122123111101 in words is "one hundred twenty-two billion, one hundred twenty-three million, one hundred eleven thousand, one hundred one".