221300204042 has 8 divisors (see below), whose sum is σ = 335052645696. Its totient is φ = 109615988812.

The previous prime is 221300203981. The next prime is 221300204053. The reversal of 221300204042 is 240402003122.

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

It is a super-4 number, since 4×221300204042⁴ (a number of 46 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517056338 + ... + 517056765.

It is an arithmetic number, because the mean of its divisors is an integer number (41881580712).

Almost surely, 2^221300204042 is an apocalyptic number.

221300204042 is a deficient number, since it is larger than the sum of its proper divisors (113752441654).

221300204042 is a wasteful number, since it uses less digits than its factorization.

221300204042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034113212.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 221300204042 its reverse (240402003122), we get a palindrome (461702207164).

The spelling of 221300204042 in words is "two hundred twenty-one billion, three hundred million, two hundred four thousand, forty-two".