221022022101100 has 36 divisors (see below), whose sum is σ = 523219405049208. Its totient is φ = 80371644400000.

The previous prime is 221022022101091. The next prime is 221022022101109. The reversal of 221022022101100 is 1101220220122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (221022022101091) and next prime (221022022101109).

It is not an unprimeable number, because it can be changed into a prime (221022022101109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100464554401 + ... + 100464556600.

It is an arithmetic number, because the mean of its divisors is an integer number (14533872362478).

Almost surely, 2^{221022022101100} is an apocalyptic number.

221022022101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221022022101100 is an abundant number, since it is smaller than the sum of its proper divisors (302197382948108).

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

221022022101100 is a wasteful number, since it uses less digits than its factorization.

221022022101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200929111026 (or 200929111019 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221022022101100 its reverse (1101220220122), we get a palindrome (222123242321222).

The spelling of 221022022101100 in words is "two hundred twenty-one trillion, twenty-two billion, twenty-two million, one hundred one thousand, one hundred".