121120011002077 has 2 divisors, whose sum is σ = 121120011002078. Its totient is φ = 121120011002076.

The previous prime is 121120011001973. The next prime is 121120011002113. The reversal of 121120011002077 is 770200110021121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120952352691556 + 167658310521 = 10997834^2 + 409461^2 .

It is a cyclic number.

It is not a de Polignac number, because 121120011002077 - 2¹¹ = 121120011000029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120051002077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560005501038 + 60560005501039.

It is an arithmetic number, because the mean of its divisors is an integer number (60560005501039).

Almost surely, 2^{121120011002077} is an apocalyptic number.

It is an amenable number.

121120011002077 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120011002077 is an equidigital number, since it uses as much as digits as its factorization.

121120011002077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 121120011002077 its reverse (770200110021121), we get a palindrome (891320121023198).

The spelling of 121120011002077 in words is "one hundred twenty-one trillion, one hundred twenty billion, eleven million, two thousand, seventy-seven".