10422011021 has 2 divisors, whose sum is σ = 10422011022. Its totient is φ = 10422011020.

The previous prime is 10422010969. The next prime is 10422011023. The reversal of 10422011021 is 12011022401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10253790121 + 168220900 = 101261^2 + 12970^2 .

It is a cyclic number.

It is not a de Polignac number, because 10422011021 - 2⁶ = 10422010957 is a prime.

Together with 10422011023, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10422010987 and 10422011005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10422011023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211005510 + 5211005511.

It is an arithmetic number, because the mean of its divisors is an integer number (5211005511).

Almost surely, 2^10422011021 is an apocalyptic number.

It is an amenable number.

10422011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10422011021 is an equidigital number, since it uses as much as digits as its factorization.

10422011021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10422011021 its reverse (12011022401), we get a palindrome (22433033422).

The spelling of 10422011021 in words is "ten billion, four hundred twenty-two million, eleven thousand, twenty-one".