111212212114 has 8 divisors (see below), whose sum is σ = 172570674060. Its totient is φ = 53688654096.

The previous prime is 111212212109. The next prime is 111212212129. The reversal of 111212212114 is 411212212111.

It can be written as a sum of positive squares in 2 ways, for example, as 100099468225 + 11112743889 = 316385^2 + 105417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111212212114² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111212212091 and 111212212100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958725909 + ... + 958726024.

Almost surely, 2^111212212114 is an apocalyptic number.

111212212114 is a deficient number, since it is larger than the sum of its proper divisors (61358461946).

111212212114 is a wasteful number, since it uses less digits than its factorization.

111212212114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917451964.

The product of its digits is 64, while the sum is 19.

Adding to 111212212114 its reverse (411212212111), we get a palindrome (522424424225).

The spelling of 111212212114 in words is "one hundred eleven billion, two hundred twelve million, two hundred twelve thousand, one hundred fourteen".