111120022101212 has 24 divisors (see below), whose sum is σ = 194807460207360. Its totient is φ = 55460754612720.

The previous prime is 111120022101107. The next prime is 111120022101331. The reversal of 111120022101212 is 212101220021111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65117303 + ... + 66801969.

It is an arithmetic number, because the mean of its divisors is an integer number (8116977508640).

Almost surely, 2^{111120022101212} is an apocalyptic number.

It is an amenable number.

111120022101212 is a deficient number, since it is larger than the sum of its proper divisors (83687438106148).

111120022101212 is a wasteful number, since it uses less digits than its factorization.

111120022101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714121 (or 1714119 counting only the distinct ones).

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

Adding to 111120022101212 its reverse (212101220021111), we get a palindrome (323221242122323).

The spelling of 111120022101212 in words is "one hundred eleven trillion, one hundred twenty billion, twenty-two million, one hundred one thousand, two hundred twelve".