2001201010 has 16 divisors (see below), whose sum is σ = 3603058200. Its totient is φ = 800281216.

The previous prime is 2001200989. The next prime is 2001201017. The reversal of 2001201010 is 101021002.

It can be written as a sum of positive squares in 4 ways, for example, as 1362274281 + 638926729 = 36909^2 + 25277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001200984 and 2001201002.

It is not an unprimeable number, because it can be changed into a prime (2001201017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21396 + ... + 66784.

Almost surely, 2^2001201010 is an apocalyptic number.

2001201010 is a deficient number, since it is larger than the sum of its proper divisors (1601857190).

2001201010 is a wasteful number, since it uses less digits than its factorization.

2001201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49805.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2001201010 is about 44734.7852347589. The cubic root of 2001201010 is about 1260.1731957267.

Adding to 2001201010 its reverse (101021002), we get a palindrome (2102222012).

The spelling of 2001201010 in words is "two billion, one million, two hundred one thousand, ten".