221001010122200 has 192 divisors, whose sum is σ = 640628191814400. Its totient is φ = 68882111654400.

The previous prime is 221001010122149. The next prime is 221001010122203. The reversal of 221001010122200 is 2221010100122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221001010122203) 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, 1077851291 + ... + 1078056309.

It is an arithmetic number, because the mean of its divisors is an integer number (3336605165700).

Almost surely, 2^{221001010122200} is an apocalyptic number.

221001010122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221001010122200 is an abundant number, since it is smaller than the sum of its proper divisors (419627181692200).

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

221001010122200 is a wasteful number, since it uses less digits than its factorization.

221001010122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275050 (or 275041 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221001010122200 its reverse (2221010100122), we get a palindrome (223222020222322).

The spelling of 221001010122200 in words is "two hundred twenty-one trillion, one billion, ten million, one hundred twenty-two thousand, two hundred".