221120222012200 has 96 divisors (see below), whose sum is σ = 607808295100800. Its totient is φ = 73198418307840.

The previous prime is 221120222012197. The next prime is 221120222012201. The reversal of 221120222012200 is 2210222021122.

It is not an unprimeable number, because it can be changed into a prime (221120222012201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2723114844 + ... + 2723196043.

It is an arithmetic number, because the mean of its divisors is an integer number (6331336407300).

Almost surely, 2^{221120222012200} is an apocalyptic number.

221120222012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221120222012200 is an abundant number, since it is smaller than the sum of its proper divisors (386688073088600).

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

221120222012200 is a wasteful number, since it uses less digits than its factorization.

221120222012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446310939 (or 5446310930 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221120222012200 its reverse (2210222021122), we get a palindrome (223330444033322).

The spelling of 221120222012200 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-two million, twelve thousand, two hundred".