110121212 has 12 divisors (see below), whose sum is σ = 194418336. Its totient is φ = 54573120.

The previous prime is 110121211. The next prime is 110121233. The reversal of 110121212 is 212121011.

It is a junction number, because it is equal to n+sod(n) for n = 110121193 and 110121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121364 + ... + 122267.

It is an arithmetic number, because the mean of its divisors is an integer number (16201528).

Almost surely, 2^110121212 is an apocalyptic number.

It is an amenable number.

110121212 is a deficient number, since it is larger than the sum of its proper divisors (84297124).

110121212 is a wasteful number, since it uses less digits than its factorization.

110121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243748 (or 243746 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 110121212 is about 10493.8654460594. The cubic root of 110121212 is about 479.3179143091.

Adding to 110121212 its reverse (212121011), we get a palindrome (322242223).

The spelling of 110121212 in words is "one hundred ten million, one hundred twenty-one thousand, two hundred twelve".