221036036204 has 24 divisors (see below), whose sum is σ = 387907591680. Its totient is φ = 110205423104.

The previous prime is 221036036171. The next prime is 221036036257. The reversal of 221036036204 is 402630630122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8524892 + ... + 8550780.

It is an arithmetic number, because the mean of its divisors is an integer number (16162816320).

Almost surely, 2^221036036204 is an apocalyptic number.

It is an amenable number.

221036036204 is a deficient number, since it is larger than the sum of its proper divisors (166871555476).

221036036204 is a wasteful number, since it uses less digits than its factorization.

221036036204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31849 (or 31847 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 221036036204 its reverse (402630630122), we get a palindrome (623666666326).

The spelling of 221036036204 in words is "two hundred twenty-one billion, thirty-six million, thirty-six thousand, two hundred four".