2111122121027 has 2 divisors, whose sum is σ = 2111122121028. Its totient is φ = 2111122121026.

The previous prime is 2111122120927. The next prime is 2111122121047. The reversal of 2111122121027 is 7201212211112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111122121027 - 2¹⁸ = 2111121858883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111122120993 and 2111122121011.

It is not a weakly prime, because it can be changed into another prime (2111122121047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055561060513 + 1055561060514.

It is an arithmetic number, because the mean of its divisors is an integer number (1055561060514).

Almost surely, 2^{2111122121027} is an apocalyptic number.

2111122121027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111122121027 is an equidigital number, since it uses as much as digits as its factorization.

2111122121027 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 2111122121027 its reverse (7201212211112), we get a palindrome (9312334332139).

The spelling of 2111122121027 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-seven".