10421223139 has 2 divisors, whose sum is σ = 10421223140. Its totient is φ = 10421223138.

The previous prime is 10421223133. The next prime is 10421223179. The reversal of 10421223139 is 93132212401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10421223139 - 2¹⁹ = 10420698851 is a prime.

It is a super-3 number, since 3×10421223139³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (10421223133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210611569 + 5210611570.

It is an arithmetic number, because the mean of its divisors is an integer number (5210611570).

Almost surely, 2^10421223139 is an apocalyptic number.

10421223139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421223139 is an equidigital number, since it uses as much as digits as its factorization.

10421223139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 10421223139 in words is "ten billion, four hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty-nine".