211120011121087 has 2 divisors, whose sum is σ = 211120011121088. Its totient is φ = 211120011121086.

The previous prime is 211120011121043. The next prime is 211120011121109. The reversal of 211120011121087 is 780121110021112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211120011121087 - 2²⁷ = 211119876903359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211120011121787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560005560543 + 105560005560544.

It is an arithmetic number, because the mean of its divisors is an integer number (105560005560544).

Almost surely, 2^{211120011121087} is an apocalyptic number.

211120011121087 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120011121087 is an equidigital number, since it uses as much as digits as its factorization.

211120011121087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 28.

Adding to 211120011121087 its reverse (780121110021112), we get a palindrome (991241121142199).

The spelling of 211120011121087 in words is "two hundred eleven trillion, one hundred twenty billion, eleven million, one hundred twenty-one thousand, eighty-seven".