21203296773121 has 8 divisors (see below), whose sum is σ = 22524023614400. Its totient is φ = 19903046317200.

The previous prime is 21203296773107. The next prime is 21203296773181. The reversal of 21203296773121 is 12137769230212.

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 21203296773121 - 2¹¹ = 21203296771073 is a prime.

It is a super-2 number, since 2×21203296773121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21203296773181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5119094205 + ... + 5119098346.

It is an arithmetic number, because the mean of its divisors is an integer number (2815502951800).

Almost surely, 2^{21203296773121} is an apocalyptic number.

It is an amenable number.

21203296773121 is a deficient number, since it is larger than the sum of its proper divisors (1320726841279).

21203296773121 is a wasteful number, since it uses less digits than its factorization.

21203296773121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238192679.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 21203296773121 in words is "twenty-one trillion, two hundred three billion, two hundred ninety-six million, seven hundred seventy-three thousand, one hundred twenty-one".