2001012211010 has 8 divisors (see below), whose sum is σ = 3601821979836. Its totient is φ = 800404884400.

The previous prime is 2001012210997. The next prime is 2001012211013. The reversal of 2001012211010 is 101122101002.

It can be written as a sum of positive squares in 2 ways, for example, as 1870491140281 + 130521070729 = 1367659^2 + 361277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2001012211010² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001012210982 and 2001012211000.

It is not an unprimeable number, because it can be changed into a prime (2001012211013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100050610541 + ... + 100050610560.

Almost surely, 2^{2001012211010} is an apocalyptic number.

2001012211010 is a deficient number, since it is larger than the sum of its proper divisors (1600809768826).

2001012211010 is a wasteful number, since it uses less digits than its factorization.

2001012211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200101221108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2001012211010 its reverse (101122101002), we get a palindrome (2102134312012).

The spelling of 2001012211010 in words is "two trillion, one billion, twelve million, two hundred eleven thousand, ten".