120211222277 has 2 divisors, whose sum is σ = 120211222278. Its totient is φ = 120211222276.

The previous prime is 120211222169. The next prime is 120211222301. The reversal of 120211222277 is 772222112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87001991521 + 33209230756 = 294961^2 + 182234^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211222277 - 2¹⁴ = 120211205893 is a prime.

It is a super-2 number, since 2×120211222277² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120211282277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105611138 + 60105611139.

It is an arithmetic number, because the mean of its divisors is an integer number (60105611139).

Almost surely, 2^120211222277 is an apocalyptic number.

It is an amenable number.

120211222277 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211222277 is an equidigital number, since it uses as much as digits as its factorization.

120211222277 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 29.

Adding to 120211222277 its reverse (772222112021), we get a palindrome (892433334298).

The spelling of 120211222277 in words is "one hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, two hundred seventy-seven".