2001120022010 has 64 divisors (see below), whose sum is σ = 3778022476800. Its totient is φ = 762126892800.

The previous prime is 2001120021997. The next prime is 2001120022051. The reversal of 2001120022010 is 102200211002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001120021982 and 2001120022000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18755915 + ... + 18862305.

It is an arithmetic number, because the mean of its divisors is an integer number (59031601200).

Almost surely, 2^{2001120022010} is an apocalyptic number.

2001120022010 is a deficient number, since it is larger than the sum of its proper divisors (1776902454790).

2001120022010 is a wasteful number, since it uses less digits than its factorization.

2001120022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107327.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2001120022010 its reverse (102200211002), we get a palindrome (2103320233012).

The spelling of 2001120022010 in words is "two trillion, one billion, one hundred twenty million, twenty-two thousand, ten".