110121102 has 192 divisors, whose sum is σ = 318689280. Its totient is φ = 26687232.

The previous prime is 110121097. The next prime is 110121107. The reversal of 110121102 is 201121011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110121097) and next prime (110121107).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121107) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1393899 + ... + 1393977.

It is an arithmetic number, because the mean of its divisors is an integer number (1659840).

Almost surely, 2^110121102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110121102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159344640).

110121102 is an abundant number, since it is smaller than the sum of its proper divisors (208568178).

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

110121102 is a wasteful number, since it uses less digits than its factorization.

110121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 110121102 is about 10493.8602049008. The cubic root of 110121102 is about 479.3177547123.

Adding to 110121102 its reverse (201121011), we get a palindrome (311242113).

Subtracting 110121102 from its reverse (201121011), we obtain a palindrome (90999909).

The spelling of 110121102 in words is "one hundred ten million, one hundred twenty-one thousand, one hundred two".