110121222220 has 48 divisors (see below), whose sum is σ = 232417075968. Its totient is φ = 43827275520.

The previous prime is 110121222199. The next prime is 110121222241. The reversal of 110121222220 is 22222121011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110121222199) and next prime (110121222241).

It is a junction number, because it is equal to n+sod(n) for n = 110121222194 and 110121222203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9900102 + ... + 9911218.

It is an arithmetic number, because the mean of its divisors is an integer number (4842022416).

Almost surely, 2^110121222220 is an apocalyptic number.

110121222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121222220 is an abundant number, since it is smaller than the sum of its proper divisors (122295853748).

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

110121222220 is a wasteful number, since it uses less digits than its factorization.

110121222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13570 (or 13568 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110121222220 its reverse (22222121011), we get a palindrome (132343343231).

The spelling of 110121222220 in words is "one hundred ten billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty".