11242062421 has 2 divisors, whose sum is σ = 11242062422. Its totient is φ = 11242062420.

The previous prime is 11242062409. The next prime is 11242062457. The reversal of 11242062421 is 12426024211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9947070225 + 1294992196 = 99735^2 + 35986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11242062421 is a prime.

It is a super-3 number, since 3×11242062421³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11242062121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621031210 + 5621031211.

It is an arithmetic number, because the mean of its divisors is an integer number (5621031211).

Almost surely, 2^11242062421 is an apocalyptic number.

It is an amenable number.

11242062421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242062421 is an equidigital number, since it uses as much as digits as its factorization.

11242062421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11242062421 its reverse (12426024211), we get a palindrome (23668086632).

The spelling of 11242062421 in words is "eleven billion, two hundred forty-two million, sixty-two thousand, four hundred twenty-one".