11057141021 has 2 divisors, whose sum is σ = 11057141022. Its totient is φ = 11057141020.

The previous prime is 11057141009. The next prime is 11057141033. The reversal of 11057141021 is 12014175011.

It is a balanced prime because it is at equal distance from previous prime (11057141009) and next prime (11057141033).

It can be written as a sum of positive squares in only one way, i.e., 5777520100 + 5279620921 = 76010^2 + 72661^2 .

It is an emirp because it is prime and its reverse (12014175011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11057141021 - 2¹⁰ = 11057139997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11057143021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528570510 + 5528570511.

It is an arithmetic number, because the mean of its divisors is an integer number (5528570511).

Almost surely, 2^11057141021 is an apocalyptic number.

It is an amenable number.

11057141021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11057141021 is an equidigital number, since it uses as much as digits as its factorization.

11057141021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

The spelling of 11057141021 in words is "eleven billion, fifty-seven million, one hundred forty-one thousand, twenty-one".