111022210101212 has 24 divisors (see below), whose sum is σ = 196009278805872. Its totient is φ = 55019564230400.

The previous prime is 111022210101197. The next prime is 111022210101331. The reversal of 111022210101212 is 212101012220111.

It is a super-2 number, since 2×111022210101212² (a number of 29 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 (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102672287 + ... + 103747977.

It is an arithmetic number, because the mean of its divisors is an integer number (8167053283578).

Almost surely, 2^{111022210101212} is an apocalyptic number.

It is an amenable number.

111022210101212 is a deficient number, since it is larger than the sum of its proper divisors (84987068704660).

111022210101212 is a wasteful number, since it uses less digits than its factorization.

111022210101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304149 (or 1304147 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111022210101212 its reverse (212101012220111), we get a palindrome (323123222321323).

The spelling of 111022210101212 in words is "one hundred eleven trillion, twenty-two billion, two hundred ten million, one hundred one thousand, two hundred twelve".