2001011202 has 24 divisors (see below), whose sum is σ = 4496100336. Its totient is φ = 667003572.

The previous prime is 2001011161. The next prime is 2001011203. The reversal of 2001011202 is 2021101002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2001011203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2058168 + ... + 2059139.

It is an arithmetic number, because the mean of its divisors is an integer number (187337514).

Almost surely, 2^2001011202 is an apocalyptic number.

2001011202 is an abundant number, since it is smaller than the sum of its proper divisors (2495089134).

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

2001011202 is an equidigital number, since it uses as much as digits as its factorization.

2001011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117324 (or 4117312 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2001011202 is about 44732.6637033835. The cubic root of 2001011202 is about 1260.1333532329.

Adding to 2001011202 its reverse (2021101002), we get a palindrome (4022112204).

The spelling of 2001011202 in words is "two billion, one million, eleven thousand, two hundred two".