2001122007 has 32 divisors (see below), whose sum is σ = 2785176576. Its totient is φ = 1277203200.

The previous prime is 2001121999. The next prime is 2001122069. The reversal of 2001122007 is 7002211002.

It is not a de Polignac number, because 2001122007 - 2³ = 2001121999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001122077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1161907 + ... + 1163627.

It is an arithmetic number, because the mean of its divisors is an integer number (87036768).

Almost surely, 2^2001122007 is an apocalyptic number.

2001122007 is a deficient number, since it is larger than the sum of its proper divisors (784054569).

2001122007 is a wasteful number, since it uses less digits than its factorization.

2001122007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 2001122007 is about 44733.9022107395. The cubic root of 2001122007 is about 1260.1566125561.

Adding to 2001122007 its reverse (7002211002), we get a palindrome (9003333009).

The spelling of 2001122007 in words is "two billion, one million, one hundred twenty-two thousand, seven".