121011122047 has 2 divisors, whose sum is σ = 121011122048. Its totient is φ = 121011122046.

The previous prime is 121011122017. The next prime is 121011122131. The reversal of 121011122047 is 740221110121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121011122047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121011122017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505561023 + 60505561024.

It is an arithmetic number, because the mean of its divisors is an integer number (60505561024).

Almost surely, 2^121011122047 is an apocalyptic number.

121011122047 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011122047 is an equidigital number, since it uses as much as digits as its factorization.

121011122047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 121011122047 its reverse (740221110121), we get a palindrome (861232232168).

The spelling of 121011122047 in words is "one hundred twenty-one billion, eleven million, one hundred twenty-two thousand, forty-seven".