2001130122 has 32 divisors (see below), whose sum is σ = 4226526720. Its totient is φ = 629892720.

The previous prime is 2001130121. The next prime is 2001130127. The reversal of 2001130122 is 2210311002.

It is a junction number, because it is equal to n+sod(n) for n = 2001130098 and 2001130107.

It is not an unprimeable number, because it can be changed into a prime (2001130121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7233 + ... + 63675.

It is an arithmetic number, because the mean of its divisors is an integer number (132078960).

Almost surely, 2^2001130122 is an apocalyptic number.

2001130122 is an abundant number, since it is smaller than the sum of its proper divisors (2225396598).

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

2001130122 is a wasteful number, since it uses less digits than its factorization.

2001130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56778.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2001130122 is about 44733.9929136669. The cubic root of 2001130122 is about 1260.1583159600.

Adding to 2001130122 its reverse (2210311002), we get a palindrome (4211441124).

The spelling of 2001130122 in words is "two billion, one million, one hundred thirty thousand, one hundred twenty-two".