22222421300100 has 72 divisors (see below), whose sum is σ = 73482139772608. Its totient is φ = 5079410582400.

The previous prime is 22222421300089. The next prime is 22222421300291. The reversal of 22222421300100 is 100312422222.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 23 ways as a sum of consecutive naturals, for example, 5291050591 + ... + 5291054790.

Almost surely, 2^{22222421300100} is an apocalyptic number.

22222421300100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222421300100 is an abundant number, since it is smaller than the sum of its proper divisors (51259718472508).

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

22222421300100 is a wasteful number, since it uses less digits than its factorization.

22222421300100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10582105405 (or 10582105398 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22222421300100 its reverse (100312422222), we get a palindrome (22322733722322).

The spelling of 22222421300100 in words is "twenty-two trillion, two hundred twenty-two billion, four hundred twenty-one million, three hundred thousand, one hundred".