121101222122147 has 2 divisors, whose sum is σ = 121101222122148. Its totient is φ = 121101222122146.

The previous prime is 121101222122077. The next prime is 121101222122171. The reversal of 121101222122147 is 741221222101121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121101222122147 is a prime.

It is not a weakly prime, because it can be changed into another prime (121101222322147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550611061073 + 60550611061074.

It is an arithmetic number, because the mean of its divisors is an integer number (60550611061074).

Almost surely, 2^{121101222122147} is an apocalyptic number.

121101222122147 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101222122147 is an equidigital number, since it uses as much as digits as its factorization.

121101222122147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

Adding to 121101222122147 its reverse (741221222101121), we get a palindrome (862322444223268).

The spelling of 121101222122147 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred forty-seven".