121121114047 has 2 divisors, whose sum is σ = 121121114048. Its totient is φ = 121121114046.

The previous prime is 121121114017. The next prime is 121121114053. The reversal of 121121114047 is 740411121121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121121114047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121121114017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560557023 + 60560557024.

It is an arithmetic number, because the mean of its divisors is an integer number (60560557024).

Almost surely, 2^121121114047 is an apocalyptic number.

121121114047 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121114047 is an equidigital number, since it uses as much as digits as its factorization.

121121114047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 121121114047 its reverse (740411121121), we get a palindrome (861532235168).

The spelling of 121121114047 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred fourteen thousand, forty-seven".