2120011211177 has 2 divisors, whose sum is σ = 2120011211178. Its totient is φ = 2120011211176.

The previous prime is 2120011211147. The next prime is 2120011211207. The reversal of 2120011211177 is 7711121100212.

It is a balanced prime because it is at equal distance from previous prime (2120011211147) and next prime (2120011211207).

It can be written as a sum of positive squares in only one way, i.e., 1298986752361 + 821024458816 = 1139731^2 + 906104^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120011211177 - 2⁸ = 2120011210921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120011211147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060005605588 + 1060005605589.

It is an arithmetic number, because the mean of its divisors is an integer number (1060005605589).

Almost surely, 2^{2120011211177} is an apocalyptic number.

It is an amenable number.

2120011211177 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120011211177 is an equidigital number, since it uses as much as digits as its factorization.

2120011211177 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 26.

Adding to 2120011211177 its reverse (7711121100212), we get a palindrome (9831132311389).

The spelling of 2120011211177 in words is "two trillion, one hundred twenty billion, eleven million, two hundred eleven thousand, one hundred seventy-seven".