11010212212157 has 2 divisors, whose sum is σ = 11010212212158. Its totient is φ = 11010212212156.

The previous prime is 11010212212151. The next prime is 11010212212229. The reversal of 11010212212157 is 75121221201011.

11010212212157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6778555916356 + 4231656295801 = 2603566^2 + 2057099^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010212212157 - 2¹⁸ = 11010211950013 is a prime.

It is a super-2 number, since 2×11010212212157² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010212212151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505106106078 + 5505106106079.

It is an arithmetic number, because the mean of its divisors is an integer number (5505106106079).

Almost surely, 2^{11010212212157} is an apocalyptic number.

It is an amenable number.

11010212212157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010212212157 is an equidigital number, since it uses as much as digits as its factorization.

11010212212157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 26.

Adding to 11010212212157 its reverse (75121221201011), we get a palindrome (86131433413168).

The spelling of 11010212212157 in words is "eleven trillion, ten billion, two hundred twelve million, two hundred twelve thousand, one hundred fifty-seven".