221143344202 has 16 divisors (see below), whose sum is σ = 366451574400. Its totient is φ = 99247299840.

The previous prime is 221143344199. The next prime is 221143344283. The reversal of 221143344202 is 202443341122.

221143344202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 63618327 + ... + 63621802.

It is an arithmetic number, because the mean of its divisors is an integer number (22903223400).

Almost surely, 2^221143344202 is an apocalyptic number.

221143344202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221143344202 is a deficient number, since it is larger than the sum of its proper divisors (145308230198).

221143344202 is a wasteful number, since it uses less digits than its factorization.

221143344202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127240221.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 221143344202 its reverse (202443341122), we get a palindrome (423586685324).

The spelling of 221143344202 in words is "two hundred twenty-one billion, one hundred forty-three million, three hundred forty-four thousand, two hundred two".