121111022200057 has 2 divisors, whose sum is σ = 121111022200058. Its totient is φ = 121111022200056.

The previous prime is 121111022199997. The next prime is 121111022200117. The reversal of 121111022200057 is 750002220111121.

It is a balanced prime because it is at equal distance from previous prime (121111022199997) and next prime (121111022200117).

It can be written as a sum of positive squares in only one way, i.e., 118890150312976 + 2220871887081 = 10903676^2 + 1490259^2 .

It is a cyclic number.

It is not a de Polignac number, because 121111022200057 - 2¹⁹ = 121111021675769 is a prime.

It is not a weakly prime, because it can be changed into another prime (121111020200057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555511100028 + 60555511100029.

It is an arithmetic number, because the mean of its divisors is an integer number (60555511100029).

Almost surely, 2^{121111022200057} is an apocalyptic number.

It is an amenable number.

121111022200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

121111022200057 is an equidigital number, since it uses as much as digits as its factorization.

121111022200057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 121111022200057 its reverse (750002220111121), we get a palindrome (871113242311178).

The spelling of 121111022200057 in words is "one hundred twenty-one trillion, one hundred eleven billion, twenty-two million, two hundred thousand, fifty-seven".