21202123414039 has 8 divisors (see below), whose sum is σ = 21889444217472. Its totient is φ = 20515013944320.

The previous prime is 21202123414037. The next prime is 21202123414103. The reversal of 21202123414039 is 93041432120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21202123414039 - 2¹ = 21202123414037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21202123413995 and 21202123414013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202123414037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52629514 + ... + 53030839.

It is an arithmetic number, because the mean of its divisors is an integer number (2736180527184).

Almost surely, 2^{21202123414039} is an apocalyptic number.

21202123414039 is a deficient number, since it is larger than the sum of its proper divisors (687320803433).

21202123414039 is a wasteful number, since it uses less digits than its factorization.

21202123414039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105666857.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 21202123414039 in words is "twenty-one trillion, two hundred two billion, one hundred twenty-three million, four hundred fourteen thousand, thirty-nine".