122101202057 has 2 divisors, whose sum is σ = 122101202058. Its totient is φ = 122101202056.

The previous prime is 122101202053. The next prime is 122101202173. The reversal of 122101202057 is 750202101221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116843646976 + 5257555081 = 341824^2 + 72509^2 .

It is an emirp because it is prime and its reverse (750202101221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122101202057 - 2² = 122101202053 is a prime.

It is not a weakly prime, because it can be changed into another prime (122101202051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050601028 + 61050601029.

It is an arithmetic number, because the mean of its divisors is an integer number (61050601029).

Almost surely, 2^122101202057 is an apocalyptic number.

It is an amenable number.

122101202057 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101202057 is an equidigital number, since it uses as much as digits as its factorization.

122101202057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 122101202057 its reverse (750202101221), we get a palindrome (872303303278).

The spelling of 122101202057 in words is "one hundred twenty-two billion, one hundred one million, two hundred two thousand, fifty-seven".