121927222105057 has 2 divisors, whose sum is σ = 121927222105058. Its totient is φ = 121927222105056.

The previous prime is 121927222105037. The next prime is 121927222105097. The reversal of 121927222105057 is 750501222729121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87837551764561 + 34089670340496 = 9372169^2 + 5838636^2 .

It is a cyclic number.

It is not a de Polignac number, because 121927222105057 - 2³¹ = 121925074621409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121927222104998 and 121927222105016.

It is not a weakly prime, because it can be changed into another prime (121927222105027) 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, 60963611052528 + 60963611052529.

It is an arithmetic number, because the mean of its divisors is an integer number (60963611052529).

Almost surely, 2^{121927222105057} is an apocalyptic number.

It is an amenable number.

121927222105057 is a deficient number, since it is larger than the sum of its proper divisors (1).

121927222105057 is an equidigital number, since it uses as much as digits as its factorization.

121927222105057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 121927222105057 in words is "one hundred twenty-one trillion, nine hundred twenty-seven billion, two hundred twenty-two million, one hundred five thousand, fifty-seven".