2001022011010 has 32 divisors (see below), whose sum is σ = 3949024752000. Its totient is φ = 723987855360.

The previous prime is 2001022010969. The next prime is 2001022011013. The reversal of 2001022011010 is 101102201002.

It is a super-2 number, since 2×2001022011010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2001022011013) 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 15 ways as a sum of consecutive naturals, for example, 45684415 + ... + 45728194.

It is an arithmetic number, because the mean of its divisors is an integer number (123407023500).

Almost surely, 2^{2001022011010} is an apocalyptic number.

2001022011010 is a deficient number, since it is larger than the sum of its proper divisors (1948002740990).

2001022011010 is a wasteful number, since it uses less digits than its factorization.

2001022011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91412826.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2001022011010 its reverse (101102201002), we get a palindrome (2102124212012).

The spelling of 2001022011010 in words is "two trillion, one billion, twenty-two million, eleven thousand, ten".