221200221222002 has 16 divisors (see below), whose sum is σ = 361964760975072. Its totient is φ = 100545343264320.

The previous prime is 221200221221953. The next prime is 221200221222083. The reversal of 221200221222002 is 200222122002122.

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, 338153 + ... + 21036035.

It is an arithmetic number, because the mean of its divisors is an integer number (22622797560942).

Almost surely, 2^{221200221222002} is an apocalyptic number.

221200221222002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221200221222002 is a deficient number, since it is larger than the sum of its proper divisors (140764539753070).

221200221222002 is a wasteful number, since it uses less digits than its factorization.

221200221222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21183673.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 221200221222002 its reverse (200222122002122), we get a palindrome (421422343224124).

The spelling of 221200221222002 in words is "two hundred twenty-one trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two".