121102222010123 has 2 divisors, whose sum is σ = 121102222010124. Its totient is φ = 121102222010122.

The previous prime is 121102222010117. The next prime is 121102222010153. The reversal of 121102222010123 is 321010222201121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121102222010123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121102222010095 and 121102222010104.

It is not a weakly prime, because it can be changed into another prime (121102222010153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551111005061 + 60551111005062.

It is an arithmetic number, because the mean of its divisors is an integer number (60551111005062).

Almost surely, 2^{121102222010123} is an apocalyptic number.

121102222010123 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102222010123 is an equidigital number, since it uses as much as digits as its factorization.

121102222010123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121102222010123 its reverse (321010222201121), we get a palindrome (442112444211244).

The spelling of 121102222010123 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-two million, ten thousand, one hundred twenty-three".