110221110100 has 18 divisors (see below), whose sum is σ = 239179809134. Its totient is φ = 44088444000.

The previous prime is 110221110091. The next prime is 110221110101. The reversal of 110221110100 is 1011122011.

It can be written as a sum of positive squares in 3 ways, for example, as 18921653136 + 91299456964 = 137556^2 + 302158^2 .

It is a super-2 number, since 2×110221110100² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221110101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551105451 + ... + 551105650.

Almost surely, 2^110221110100 is an apocalyptic number.

110221110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221110100 is an abundant number, since it is smaller than the sum of its proper divisors (128958699034).

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

110221110100 is a wasteful number, since it uses less digits than its factorization.

110221110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102211115 (or 1102211108 counting only the distinct ones).

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

Adding to 110221110100 its reverse (1011122011), we get a palindrome (111232232111).

The spelling of 110221110100 in words is "one hundred ten billion, two hundred twenty-one million, one hundred ten thousand, one hundred".