2111106722 has 4 divisors (see below), whose sum is σ = 3166660086. Its totient is φ = 1055553360.

The previous prime is 2111106719. The next prime is 2111106749. The reversal of 2111106722 is 2276011112.

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., 1984791601 + 126315121 = 44551^2 + 11239^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527776679 + ... + 527776682.

Almost surely, 2^2111106722 is an apocalyptic number.

2111106722 is a deficient number, since it is larger than the sum of its proper divisors (1055553364).

2111106722 is a wasteful number, since it uses less digits than its factorization.

2111106722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055553363.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 2111106722 is about 45946.7814106712. The cubic root of 2111106722 is about 1282.8328213987.

Adding to 2111106722 its reverse (2276011112), we get a palindrome (4387117834).

The spelling of 2111106722 in words is "two billion, one hundred eleven million, one hundred six thousand, seven hundred twenty-two".