221421204076003 has 8 divisors (see below), whose sum is σ = 228767270895072. Its totient is φ = 214146806201856.

The previous prime is 221421204075997. The next prime is 221421204076027. The reversal of 221421204076003 is 300670402124122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221421204076003 is a prime.

It is a super-2 number, since 2×221421204076003² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221421204076003.

It is not an unprimeable number, because it can be changed into a prime (221421204076703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17917229950 + ... + 17917242307.

It is an arithmetic number, because the mean of its divisors is an integer number (28595908861884).

Almost surely, 2^{221421204076003} is an apocalyptic number.

221421204076003 is a deficient number, since it is larger than the sum of its proper divisors (7346066819069).

221421204076003 is a wasteful number, since it uses less digits than its factorization.

221421204076003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35834472461.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 221421204076003 in words is "two hundred twenty-one trillion, four hundred twenty-one billion, two hundred four million, seventy-six thousand, three".