101421144439 has 2 divisors, whose sum is σ = 101421144440. Its totient is φ = 101421144438.

The previous prime is 101421144421. The next prime is 101421144457. The reversal of 101421144439 is 934441124101.

It is a balanced prime because it is at equal distance from previous prime (101421144421) and next prime (101421144457).

It is a cyclic number.

It is not a de Polignac number, because 101421144439 - 2⁷ = 101421144311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101421144479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50710572219 + 50710572220.

It is an arithmetic number, because the mean of its divisors is an integer number (50710572220).

Almost surely, 2^101421144439 is an apocalyptic number.

101421144439 is a deficient number, since it is larger than the sum of its proper divisors (1).

101421144439 is an equidigital number, since it uses as much as digits as its factorization.

101421144439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 101421144439 in words is "one hundred one billion, four hundred twenty-one million, one hundred forty-four thousand, four hundred thirty-nine".