221022022220002 has 8 divisors (see below), whose sum is σ = 351034976467116. Its totient is φ = 104010363397632.

The previous prime is 221022022219997. The next prime is 221022022220057. The reversal of 221022022220002 is 200022220220122.

It can be written as a sum of positive squares in 2 ways, for example, as 218129298178401 + 2892724041601 = 14769201^2 + 1700801^2 .

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

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, 3250323856143 + ... + 3250323856210.

Almost surely, 2^{221022022220002} is an apocalyptic number.

221022022220002 is a deficient number, since it is larger than the sum of its proper divisors (130012954247114).

221022022220002 is a wasteful number, since it uses less digits than its factorization.

221022022220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500647712372.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 221022022220002 its reverse (200022220220122), we get a palindrome (421044242440124).

The spelling of 221022022220002 in words is "two hundred twenty-one trillion, twenty-two billion, twenty-two million, two hundred twenty thousand, two".