111010111212212 has 24 divisors (see below), whose sum is σ = 204573878678400. Its totient is φ = 52604711650656.

The previous prime is 111010111212191. The next prime is 111010111212229. The reversal of 111010111212212 is 212212111010111.

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, 5534997512 + ... + 5535017567.

It is an arithmetic number, because the mean of its divisors is an integer number (8523911611600).

Almost surely, 2^{111010111212212} is an apocalyptic number.

It is an amenable number.

111010111212212 is a deficient number, since it is larger than the sum of its proper divisors (93563767466188).

111010111212212 is a wasteful number, since it uses less digits than its factorization.

111010111212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070015215 (or 11070015213 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111010111212212 its reverse (212212111010111), we get a palindrome (323222222222323).

It can be divided in two parts, 111010111 and 212212, that multiplied together give a palindrome (23557677675532).

The spelling of 111010111212212 in words is "one hundred eleven trillion, ten billion, one hundred eleven million, two hundred twelve thousand, two hundred twelve".