110023111220 has 96 divisors (see below), whose sum is σ = 265720283136. Its totient is φ = 37893916800.

The previous prime is 110023111181. The next prime is 110023111249. The reversal of 110023111220 is 22111320011.

It is a junction number, because it is equal to n+sod(n) for n = 110023111195 and 110023111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148919 + ... + 492161.

It is an arithmetic number, because the mean of its divisors is an integer number (2767919616).

Almost surely, 2^110023111220 is an apocalyptic number.

110023111220 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 110023111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132860141568).

110023111220 is an abundant number, since it is smaller than the sum of its proper divisors (155697171916).

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

110023111220 is a wasteful number, since it uses less digits than its factorization.

110023111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343341 (or 343339 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 110023111220 its reverse (22111320011), we get a palindrome (132134431231).

The spelling of 110023111220 in words is "one hundred ten billion, twenty-three million, one hundred eleven thousand, two hundred twenty".