1110111212212 has 24 divisors (see below), whose sum is σ = 1943600238216. Its totient is φ = 554796937728.

The previous prime is 1110111212179. The next prime is 1110111212257. The reversal of 1110111212212 is 2122121110111.

It can be written as a sum of positive squares in 4 ways, for example, as 150424519716 + 959686692496 = 387846^2 + 979636^2 .

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 7 ways as a sum of consecutive naturals, for example, 142008528 + ... + 142016344.

It is an arithmetic number, because the mean of its divisors is an integer number (80983343259).

Almost surely, 2^{1110111212212} is an apocalyptic number.

It is an amenable number.

1110111212212 is a deficient number, since it is larger than the sum of its proper divisors (833489026004).

1110111212212 is a wasteful number, since it uses less digits than its factorization.

1110111212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827 (or 19825 counting only the distinct ones).

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

Adding to 1110111212212 its reverse (2122121110111), we get a palindrome (3232232322323).

It can be divided in two parts, 1110111 and 212212, that multiplied together give a palindrome (235578875532).

The spelling of 1110111212212 in words is "one trillion, one hundred ten billion, one hundred eleven million, two hundred twelve thousand, two hundred twelve".