221010022200 has 192 divisors, whose sum is σ = 779912582400. Its totient is φ = 51248665600.

The previous prime is 221010022199. The next prime is 221010022201. The reversal of 221010022200 is 2220010122.

It is an interprime number because it is at equal distance from previous prime (221010022199) and next prime (221010022201).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010022201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 576165 + ... + 879764.

It is an arithmetic number, because the mean of its divisors is an integer number (4062044700).

Almost surely, 2^221010022200 is an apocalyptic number.

221010022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221010022200 is an abundant number, since it is smaller than the sum of its proper divisors (558902560200).

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

221010022200 is a wasteful number, since it uses less digits than its factorization.

221010022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455982 (or 1455973 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221010022200 its reverse (2220010122), we get a palindrome (223230032322).

The spelling of 221010022200 in words is "two hundred twenty-one billion, ten million, twenty-two thousand, two hundred".