222121000201100 has 288 divisors, whose sum is σ = 685232783294976. Its totient is φ = 60147708825600.

The previous prime is 222121000201097. The next prime is 222121000201123. The reversal of 222121000201100 is 1102000121222.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63562742 + ... + 66966141.

It is an arithmetic number, because the mean of its divisors is an integer number (2379280497552).

Almost surely, 2^{222121000201100} is an apocalyptic number.

222121000201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222121000201100 is an abundant number, since it is smaller than the sum of its proper divisors (463111783093876).

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

222121000201100 is a wasteful number, since it uses less digits than its factorization.

222121000201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130528945 (or 130528938 counting only the distinct ones).

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

Adding to 222121000201100 its reverse (1102000121222), we get a palindrome (223223000322322).

The spelling of 222121000201100 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred one thousand, one hundred".