2122012011157 has 2 divisors, whose sum is σ = 2122012011158. Its totient is φ = 2122012011156.

The previous prime is 2122012011047. The next prime is 2122012011173. The reversal of 2122012011157 is 7511102102212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151316124036 + 970695887121 = 1072994^2 + 985239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122012011157 - 2¹¹ = 2122012009109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122012041157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061006005578 + 1061006005579.

It is an arithmetic number, because the mean of its divisors is an integer number (1061006005579).

Almost surely, 2^{2122012011157} is an apocalyptic number.

It is an amenable number.

2122012011157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122012011157 is an equidigital number, since it uses as much as digits as its factorization.

2122012011157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 2122012011157 its reverse (7511102102212), we get a palindrome (9633114113369).

The spelling of 2122012011157 in words is "two trillion, one hundred twenty-two billion, twelve million, eleven thousand, one hundred fifty-seven".