110021121212 has 12 divisors (see below), whose sum is σ = 192539726736. Its totient is φ = 55009770720.

The previous prime is 110021121209. The next prime is 110021121269. The reversal of 110021121212 is 212121120011.

It is a super-2 number, since 2×110021121212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208793 + ... + 513455.

It is an arithmetic number, because the mean of its divisors is an integer number (16044977228).

Almost surely, 2^110021121212 is an apocalyptic number.

It is an amenable number.

110021121212 is a deficient number, since it is larger than the sum of its proper divisors (82518605524).

110021121212 is a wasteful number, since it uses less digits than its factorization.

110021121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394948 (or 394946 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110021121212 its reverse (212121120011), we get a palindrome (322142241223).

The spelling of 110021121212 in words is "one hundred ten billion, twenty-one million, one hundred twenty-one thousand, two hundred twelve".