121112000077 has 2 divisors, whose sum is σ = 121112000078. Its totient is φ = 121112000076.

The previous prime is 121112000069. The next prime is 121112000101. The reversal of 121112000077 is 770000211121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119370941001 + 1741059076 = 345501^2 + 41726^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112000077 - 2³ = 121112000069 is a prime.

It is a super-3 number, since 3×121112000077³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112000047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556000038 + 60556000039.

It is an arithmetic number, because the mean of its divisors is an integer number (60556000039).

Almost surely, 2^121112000077 is an apocalyptic number.

It is an amenable number.

121112000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112000077 is an equidigital number, since it uses as much as digits as its factorization.

121112000077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 22.

Adding to 121112000077 its reverse (770000211121), we get a palindrome (891112211198).

The spelling of 121112000077 in words is "one hundred twenty-one billion, one hundred twelve million, seventy-seven", and thus it is an aban number.