110121201200220 has 384 divisors, whose sum is σ = 373959092183040. Its totient is φ = 23636503019520.

The previous prime is 110121201200107. The next prime is 110121201200239. The reversal of 110121201200220 is 22002102121011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 110121201200220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6350328750 + ... + 6350346090.

It is an arithmetic number, because the mean of its divisors is an integer number (973851802560).

Almost surely, 2^{110121201200220} is an apocalyptic number.

110121201200220 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 110121201200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186979546091520).

110121201200220 is an abundant number, since it is smaller than the sum of its proper divisors (263837890982820).

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

110121201200220 is a wasteful number, since it uses less digits than its factorization.

110121201200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19333 (or 19331 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110121201200220 its reverse (22002102121011), we get a palindrome (132123303321231).

The spelling of 110121201200220 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred one million, two hundred thousand, two hundred twenty".