101110221100 has 216 divisors, whose sum is σ = 263643750720. Its totient is φ = 33540756480.

The previous prime is 101110221097. The next prime is 101110221101. The reversal of 101110221100 is 1122011101.

It is a super-3 number, since 3×101110221100³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (101110221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20494234 + ... + 20499166.

It is an arithmetic number, because the mean of its divisors is an integer number (1220572920).

Almost surely, 2^101110221100 is an apocalyptic number.

101110221100 is a gapful number since it is divisible by the number (10) 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 101110221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131821875360).

101110221100 is an abundant number, since it is smaller than the sum of its proper divisors (162533529620).

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

101110221100 is a wasteful number, since it uses less digits than its factorization.

101110221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097 (or 5083 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101110221100 its reverse (1122011101), we get a palindrome (102232232201).

The spelling of 101110221100 in words is "one hundred one billion, one hundred ten million, two hundred twenty-one thousand, one hundred".