111011221010212 has 12 divisors (see below), whose sum is σ = 194798981829760. Its totient is φ = 55354369058856.

The previous prime is 111011221010117. The next prime is 111011221010233. The reversal of 111011221010212 is 212010122110111.

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, 37810359912 + ... + 37810362847.

Almost surely, 2^{111011221010212} is an apocalyptic number.

It is an amenable number.

111011221010212 is a deficient number, since it is larger than the sum of its proper divisors (83787760819548).

111011221010212 is a wasteful number, since it uses less digits than its factorization.

111011221010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75620723130 (or 75620723128 counting only the distinct ones).

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

Adding to 111011221010212 its reverse (212010122110111), we get a palindrome (323021343120323).

The spelling of 111011221010212 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-one million, ten thousand, two hundred twelve".