121102222013 has 2 divisors, whose sum is σ = 121102222014. Its totient is φ = 121102222012.

The previous prime is 121102221997. The next prime is 121102222037. The reversal of 121102222013 is 310222201121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118916004964 + 2186217049 = 344842^2 + 46757^2 .

It is a cyclic number.

It is not a de Polignac number, because 121102222013 - 2⁴ = 121102221997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121102221982 and 121102222000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121102222093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551111006 + 60551111007.

It is an arithmetic number, because the mean of its divisors is an integer number (60551111007).

Almost surely, 2^121102222013 is an apocalyptic number.

It is an amenable number.

121102222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102222013 is an equidigital number, since it uses as much as digits as its factorization.

121102222013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121102222013 its reverse (310222201121), we get a palindrome (431324423134).

The spelling of 121102222013 in words is "one hundred twenty-one billion, one hundred two million, two hundred twenty-two thousand, thirteen".