121112002117 has 2 divisors, whose sum is σ = 121112002118. Its totient is φ = 121112002116.

The previous prime is 121112002093. The next prime is 121112002133. The reversal of 121112002117 is 711200211121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106099381441 + 15012620676 = 325729^2 + 122526^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112002117 - 2¹¹ = 121112000069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121112002094 and 121112002103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112012117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556001058 + 60556001059.

It is an arithmetic number, because the mean of its divisors is an integer number (60556001059).

Almost surely, 2^121112002117 is an apocalyptic number.

It is an amenable number.

121112002117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112002117 is an equidigital number, since it uses as much as digits as its factorization.

121112002117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 121112002117 its reverse (711200211121), we get a palindrome (832312213238).

The spelling of 121112002117 in words is "one hundred twenty-one billion, one hundred twelve million, two thousand, one hundred seventeen".