11210692021 has 2 divisors, whose sum is σ = 11210692022. Its totient is φ = 11210692020.

The previous prime is 11210692019. The next prime is 11210692063. The reversal of 11210692021 is 12029601211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6007955121 + 5202736900 = 77511^2 + 72130^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210692021 - 2¹ = 11210692019 is a prime.

Together with 11210692019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11210692091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605346010 + 5605346011.

It is an arithmetic number, because the mean of its divisors is an integer number (5605346011).

Almost surely, 2^11210692021 is an apocalyptic number.

It is an amenable number.

11210692021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210692021 is an equidigital number, since it uses as much as digits as its factorization.

11210692021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 11210692021 in words is "eleven billion, two hundred ten million, six hundred ninety-two thousand, twenty-one".