2001011303442 has 16 divisors (see below), whose sum is σ = 4176023590080. Its totient is φ = 638003603952.

The previous prime is 2001011303411. The next prime is 2001011303491. The reversal of 2001011303442 is 2443031101002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7250040817 + ... + 7250041092.

It is an arithmetic number, because the mean of its divisors is an integer number (261001474380).

Almost surely, 2^{2001011303442} is an apocalyptic number.

2001011303442 is an abundant number, since it is smaller than the sum of its proper divisors (2175012286638).

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

2001011303442 is a wasteful number, since it uses less digits than its factorization.

2001011303442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500081937.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2001011303442 its reverse (2443031101002), we get a palindrome (4444042404444).

The spelling of 2001011303442 in words is "two trillion, one billion, eleven million, three hundred three thousand, four hundred forty-two".