221200210222002 has 96 divisors (see below), whose sum is σ = 529467043772160. Its totient is φ = 66180381696000.

The previous prime is 221200210221983. The next prime is 221200210222021. The reversal of 221200210222002 is 200222012002122.

221200210222002 is a `hidden beast` number, since 221 + 200 + 21 + 0 + 2 + 220 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (221200210221983) and next prime (221200210222021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 826718002 + ... + 826985522.

It is an arithmetic number, because the mean of its divisors is an integer number (5515281705960).

Almost surely, 2^{221200210222002} is an apocalyptic number.

221200210222002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221200210222002 is an abundant number, since it is smaller than the sum of its proper divisors (308266833550158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221200210222002 is a wasteful number, since it uses less digits than its factorization.

221200210222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320480 (or 320477 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 221200210222002 its reverse (200222012002122), we get a palindrome (421422222224124).

The spelling of 221200210222002 in words is "two hundred twenty-one trillion, two hundred billion, two hundred ten million, two hundred twenty-two thousand, two".