2112122403 has 48 divisors (see below), whose sum is σ = 3355840800. Its totient is φ = 1274918400.

The previous prime is 2112122401. The next prime is 2112122431. The reversal of 2112122403 is 3042212112.

It is a happy number.

2112122403 is a `hidden beast` number, since 211 + 212 + 240 + 3 = 666.

It is not a de Polignac number, because 2112122403 - 2¹ = 2112122401 is a prime.

It is a super-2 number, since 2×2112122403² = 8922122090508988818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112122401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 498751 + ... + 502967.

It is an arithmetic number, because the mean of its divisors is an integer number (69913350).

Almost surely, 2^2112122403 is an apocalyptic number.

2112122403 is a deficient number, since it is larger than the sum of its proper divisors (1243718397).

2112122403 is a wasteful number, since it uses less digits than its factorization.

2112122403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2112122403 is about 45957.8328797170. The cubic root of 2112122403 is about 1283.0385176195.

Adding to 2112122403 its reverse (3042212112), we get a palindrome (5154334515).

The spelling of 2112122403 in words is "two billion, one hundred twelve million, one hundred twenty-two thousand, four hundred three".