211120222109977 has 2 divisors, whose sum is σ = 211120222109978. Its totient is φ = 211120222109976.

The previous prime is 211120222109887. The next prime is 211120222110067. The reversal of 211120222109977 is 779901222021112.

It is a balanced prime because it is at equal distance from previous prime (211120222109887) and next prime (211120222110067).

It can be written as a sum of positive squares in only one way, i.e., 150882382329561 + 60237839780416 = 12283419^2 + 7761304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211120222109977 is a prime.

It is not a weakly prime, because it can be changed into another prime (211120222109677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560111054988 + 105560111054989.

It is an arithmetic number, because the mean of its divisors is an integer number (105560111054989).

Almost surely, 2^{211120222109977} is an apocalyptic number.

It is an amenable number.

211120222109977 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120222109977 is an equidigital number, since it uses as much as digits as its factorization.

211120222109977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 211120222109977 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred twenty-two million, one hundred nine thousand, nine hundred seventy-seven".