2102111122 has 8 divisors (see below), whose sum is σ = 3212660556. Its totient is φ = 1031224272.

The previous prime is 2102111111. The next prime is 2102111161. The reversal of 2102111122 is 2211112012.

It can be written as a sum of positive squares in 2 ways, for example, as 1681902121 + 420209001 = 41011^2 + 20499^2 .

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

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, 9915513 + ... + 9915724.

Almost surely, 2^2102111122 is an apocalyptic number.

2102111122 is a deficient number, since it is larger than the sum of its proper divisors (1110549434).

2102111122 is a wasteful number, since it uses less digits than its factorization.

2102111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19831292.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2102111122 is about 45848.7853928542. The cubic root of 2102111122 is about 1281.0081417221.

Adding to 2102111122 its reverse (2211112012), we get a palindrome (4313223134).

The spelling of 2102111122 in words is "two billion, one hundred two million, one hundred eleven thousand, one hundred twenty-two".