211011207121051 has 2 divisors, whose sum is σ = 211011207121052. Its totient is φ = 211011207121050.

The previous prime is 211011207121019. The next prime is 211011207121067. The reversal of 211011207121051 is 150121702110112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211011207121051 - 2⁵ = 211011207121019 is a prime.

It is not a weakly prime, because it can be changed into another prime (211011207121081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505603560525 + 105505603560526.

It is an arithmetic number, because the mean of its divisors is an integer number (105505603560526).

Almost surely, 2^{211011207121051} is an apocalyptic number.

211011207121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

211011207121051 is an equidigital number, since it uses as much as digits as its factorization.

211011207121051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 25.

Adding to 211011207121051 its reverse (150121702110112), we get a palindrome (361132909231163).

The spelling of 211011207121051 in words is "two hundred eleven trillion, eleven billion, two hundred seven million, one hundred twenty-one thousand, fifty-one".