2001022011046 has 16 divisors (see below), whose sum is σ = 3136920667488. Its totient is φ = 955517516800.

The previous prime is 2001022011017. The next prime is 2001022011047. The reversal of 2001022011046 is 6401102201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001022011047) 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, 33902245 + ... + 33961216.

It is an arithmetic number, because the mean of its divisors is an integer number (196057541718).

Almost surely, 2^{2001022011046} is an apocalyptic number.

2001022011046 is a deficient number, since it is larger than the sum of its proper divisors (1135898656442).

2001022011046 is a wasteful number, since it uses less digits than its factorization.

2001022011046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67864127.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2001022011046 its reverse (6401102201002), we get a palindrome (8402124212048).

The spelling of 2001022011046 in words is "two trillion, one billion, twenty-two million, eleven thousand, forty-six".