21203296773119 has 4 divisors (see below), whose sum is σ = 21271474576560. Its totient is φ = 21135118969680.

The previous prime is 21203296773107. The next prime is 21203296773181. The reversal of 21203296773119 is 91137769230212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21203296773119 - 2¹⁶ = 21203296707583 is a prime.

It is a super-2 number, since 2×21203296773119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21203296773019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34088901254 + ... + 34088901875.

It is an arithmetic number, because the mean of its divisors is an integer number (5317868644140).

Almost surely, 2^{21203296773119} is an apocalyptic number.

21203296773119 is a deficient number, since it is larger than the sum of its proper divisors (68177803441).

21203296773119 is an equidigital number, since it uses as much as digits as its factorization.

21203296773119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68177803440.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 21203296773119 in words is "twenty-one trillion, two hundred three billion, two hundred ninety-six million, seven hundred seventy-three thousand, one hundred nineteen".