111206121322 has 8 divisors (see below), whose sum is σ = 167102345700. Its totient is φ = 55505339424.

The previous prime is 111206121311. The next prime is 111206121337. The reversal of 111206121322 is 223121602111.

It can be written as a sum of positive squares in 2 ways, for example, as 110896326121 + 309795201 = 333011^2 + 17601^2 .

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 = 111206121293 and 111206121302.

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, 48859197 + ... + 48861472.

Almost surely, 2^111206121322 is an apocalyptic number.

111206121322 is a deficient number, since it is larger than the sum of its proper divisors (55896224378).

111206121322 is an equidigital number, since it uses as much as digits as its factorization.

111206121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97721240.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111206121322 its reverse (223121602111), we get a palindrome (334327723433).

The spelling of 111206121322 in words is "one hundred eleven billion, two hundred six million, one hundred twenty-one thousand, three hundred twenty-two".