2001020112102 has 16 divisors (see below), whose sum is σ = 4365862062912. Its totient is φ = 606369730920.

The previous prime is 2001020112083. The next prime is 2001020112193. The reversal of 2001020112102 is 2012110201002.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15159243208 + ... + 15159243339.

It is an arithmetic number, because the mean of its divisors is an integer number (272866378932).

Almost surely, 2^{2001020112102} is an apocalyptic number.

2001020112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001020112102 is an abundant number, since it is smaller than the sum of its proper divisors (2364841950810).

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

2001020112102 is a wasteful number, since it uses less digits than its factorization.

2001020112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30318486563.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2001020112102 its reverse (2012110201002), we get a palindrome (4013130313104).

The spelling of 2001020112102 in words is "two trillion, one billion, twenty million, one hundred twelve thousand, one hundred two".