110021022100 has 144 divisors (see below), whose sum is σ = 272142581760. Its totient is φ = 38216252800.

The previous prime is 110021022011. The next prime is 110021022107. The reversal of 110021022100 is 1220120011.

It is a super-3 number, since 3×110021022100³ (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021022107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21831381 + ... + 21836419.

It is an arithmetic number, because the mean of its divisors is an integer number (1889879040).

Almost surely, 2^110021022100 is an apocalyptic number.

110021022100 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 110021022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136071290880).

110021022100 is an abundant number, since it is smaller than the sum of its proper divisors (162121559660).

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

110021022100 is a wasteful number, since it uses less digits than its factorization.

110021022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950 (or 5943 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 110021022100 its reverse (1220120011), we get a palindrome (111241142111).

The spelling of 110021022100 in words is "one hundred ten billion, twenty-one million, twenty-two thousand, one hundred".