121101222122077 has 2 divisors, whose sum is σ = 121101222122078. Its totient is φ = 121101222122076.

The previous prime is 121101222122057. The next prime is 121101222122147. The reversal of 121101222122077 is 770221222101121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84184551945796 + 36916670176281 = 9175214^2 + 6075909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121101222122077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121101222122057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550611061038 + 60550611061039.

It is an arithmetic number, because the mean of its divisors is an integer number (60550611061039).

Almost surely, 2^{121101222122077} is an apocalyptic number.

It is an amenable number.

121101222122077 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101222122077 is an equidigital number, since it uses as much as digits as its factorization.

121101222122077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 31.

Adding to 121101222122077 its reverse (770221222101121), we get a palindrome (891322444223198).

The spelling of 121101222122077 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, seventy-seven".