221200311142 has 8 divisors (see below), whose sum is σ = 331889360976. Its totient is φ = 110570524152.

The previous prime is 221200311133. The next prime is 221200311161. The reversal of 221200311142 is 241113002122.

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

It is a congruent number.

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, 14806378 + ... + 14821309.

It is an arithmetic number, because the mean of its divisors is an integer number (41486170122).

Almost surely, 2^221200311142 is an apocalyptic number.

221200311142 is a deficient number, since it is larger than the sum of its proper divisors (110689049834).

221200311142 is a wasteful number, since it uses less digits than its factorization.

221200311142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29631422.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 221200311142 its reverse (241113002122), we get a palindrome (462313313264).

The spelling of 221200311142 in words is "two hundred twenty-one billion, two hundred million, three hundred eleven thousand, one hundred forty-two".