111211000106 has 4 divisors (see below), whose sum is σ = 166816500162. Its totient is φ = 55605500052.

The previous prime is 111211000073. The next prime is 111211000157. The reversal of 111211000106 is 601000112111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110147653225 + 1063346881 = 331885^2 + 32609^2 .

It is a super-2 number, since 2×111211000106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27802750025 + ... + 27802750028.

Almost surely, 2^111211000106 is an apocalyptic number.

111211000106 is a deficient number, since it is larger than the sum of its proper divisors (55605500056).

111211000106 is an equidigital number, since it uses as much as digits as its factorization.

111211000106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55605500055.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111211000106 its reverse (601000112111), we get a palindrome (712211112217).

The spelling of 111211000106 in words is "one hundred eleven billion, two hundred eleven million, one hundred six", and thus it is an aban number.