222211020221100 has 108 divisors (see below), whose sum is σ = 703404217894560. Its totient is φ = 58669576272000.

The previous prime is 222211020221059. The next prime is 222211020221101. The reversal of 222211020221100 is 1122020112222.

It is a happy number.

222211020221100 is a `hidden beast` number, since 22 + 221 + 10 + 202 + 211 + 0 + 0 = 666.

It is a super-2 number, since 2×222211020221100² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (222211020221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1222191940 + ... + 1222373739.

Almost surely, 2^{222211020221100} is an apocalyptic number.

222211020221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211020221100 is an abundant number, since it is smaller than the sum of its proper divisors (481193197673460).

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

222211020221100 is a wasteful number, since it uses less digits than its factorization.

222211020221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444565800 (or 2444565790 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222211020221100 its reverse (1122020112222), we get a palindrome (223333040333322).

The spelling of 222211020221100 in words is "two hundred twenty-two trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand, one hundred".