111030212122 has 8 divisors (see below), whose sum is σ = 166960644372. Its totient is φ = 55376664000.

The previous prime is 111030212093. The next prime is 111030212149. The reversal of 111030212122 is 221212030111.

It can be written as a sum of positive squares in 2 ways, for example, as 111029570521 + 641601 = 333211^2 + 801^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 111030212096 and 111030212105.

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, 69220029 + ... + 69221632.

Almost surely, 2^111030212122 is an apocalyptic number.

111030212122 is a deficient number, since it is larger than the sum of its proper divisors (55930432250).

111030212122 is a wasteful number, since it uses less digits than its factorization.

111030212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138442064.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111030212122 its reverse (221212030111), we get a palindrome (332242242233).

The spelling of 111030212122 in words is "one hundred eleven billion, thirty million, two hundred twelve thousand, one hundred twenty-two".