2011211122127 has 2 divisors, whose sum is σ = 2011211122128. Its totient is φ = 2011211122126.

The previous prime is 2011211122099. The next prime is 2011211122171. The reversal of 2011211122127 is 7212211121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011211122127 - 2⁴⁰ = 911699494351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011211122187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005605561063 + 1005605561064.

It is an arithmetic number, because the mean of its divisors is an integer number (1005605561064).

Almost surely, 2^{2011211122127} is an apocalyptic number.

2011211122127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011211122127 is an equidigital number, since it uses as much as digits as its factorization.

2011211122127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 2011211122127 its reverse (7212211121102), we get a palindrome (9223422243229).

The spelling of 2011211122127 in words is "two trillion, eleven billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty-seven".