2122113123112 has 8 divisors (see below), whose sum is σ = 3978962105850. Its totient is φ = 1061056561552.

The previous prime is 2122113123089. The next prime is 2122113123113. The reversal of 2122113123112 is 2113213112212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1731945489156 + 390167633956 = 1316034^2 + 624634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2122113123113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132632070187 + ... + 132632070202.

Almost surely, 2^{2122113123112} is an apocalyptic number.

It is an amenable number.

2122113123112 is a deficient number, since it is larger than the sum of its proper divisors (1856848982738).

2122113123112 is a wasteful number, since it uses less digits than its factorization.

2122113123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265264140395 (or 265264140391 counting only the distinct ones).

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

Adding to 2122113123112 its reverse (2113213112212), we get a palindrome (4235326235324).

The spelling of 2122113123112 in words is "two trillion, one hundred twenty-two billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred twelve".