2102431122 has 24 divisors (see below), whose sum is σ = 4969383120. Its totient is φ = 637100280.

The previous prime is 2102431099. The next prime is 2102431139. The reversal of 2102431122 is 2211342012.

It is a happy number.

2102431122 is a `hidden beast` number, since 210 + 2 + 431 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2102431095 and 2102431104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5308972 + ... + 5309367.

It is an arithmetic number, because the mean of its divisors is an integer number (207057630).

Almost surely, 2^2102431122 is an apocalyptic number.

2102431122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102431122 is an abundant number, since it is smaller than the sum of its proper divisors (2866951998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102431122 is a wasteful number, since it uses less digits than its factorization.

2102431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618358 (or 10618355 counting only the distinct ones).

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

The square root of 2102431122 is about 45852.2749926326. The cubic root of 2102431122 is about 1281.0731401582.

Adding to 2102431122 its reverse (2211342012), we get a palindrome (4313773134).

The spelling of 2102431122 in words is "two billion, one hundred two million, four hundred thirty-one thousand, one hundred twenty-two".