20110222210100 has 576 divisors, whose sum is σ = 52832618496000. Its totient is φ = 6564842380800.

The previous prime is 20110222210093. The next prime is 20110222210123. The reversal of 20110222210100 is 101222201102.

It is a congruent number.

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 191 ways as a sum of consecutive naturals, for example, 3883029311 + ... + 3883034489.

It is an arithmetic number, because the mean of its divisors is an integer number (91723296000).

Almost surely, 2^{20110222210100} is an apocalyptic number.

20110222210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110222210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26416309248000).

20110222210100 is an abundant number, since it is smaller than the sum of its proper divisors (32722396285900).

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

20110222210100 is a wasteful number, since it uses less digits than its factorization.

20110222210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396 (or 5389 counting only the distinct ones).

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

Adding to 20110222210100 its reverse (101222201102), we get a palindrome (20211444411202).

The spelling of 20110222210100 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, two hundred ten thousand, one hundred".