2002131122 has 4 divisors (see below), whose sum is σ = 3003196686. Its totient is φ = 1001065560.

The previous prime is 2002131083. The next prime is 2002131143. The reversal of 2002131122 is 2211312002.

It is a happy number.

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., 1271564281 + 730566841 = 35659^2 + 27029^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002131097 and 2002131106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500532779 + ... + 500532782.

Almost surely, 2^2002131122 is an apocalyptic number.

2002131122 is a deficient number, since it is larger than the sum of its proper divisors (1001065564).

2002131122 is a wasteful number, since it uses less digits than its factorization.

2002131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001065563.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2002131122 is about 44745.1798744848. The cubic root of 2002131122 is about 1260.3683986180.

Adding to 2002131122 its reverse (2211312002), we get a palindrome (4213443124).

The spelling of 2002131122 in words is "two billion, two million, one hundred thirty-one thousand, one hundred twenty-two".