10121202211277 has 2 divisors, whose sum is σ = 10121202211278. Its totient is φ = 10121202211276.

The previous prime is 10121202211259. The next prime is 10121202211283. The reversal of 10121202211277 is 77211220212101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9322634783401 + 798567427876 = 3053299^2 + 893626^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121202211277 - 2³⁴ = 10104022342093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121202211207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060601105638 + 5060601105639.

It is an arithmetic number, because the mean of its divisors is an integer number (5060601105639).

Almost surely, 2^{10121202211277} is an apocalyptic number.

It is an amenable number.

10121202211277 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121202211277 is an equidigital number, since it uses as much as digits as its factorization.

10121202211277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 29.

Adding to 10121202211277 its reverse (77211220212101), we get a palindrome (87332422423378).

The spelling of 10121202211277 in words is "ten trillion, one hundred twenty-one billion, two hundred two million, two hundred eleven thousand, two hundred seventy-seven".