2001020020112 has 10 divisors (see below), whose sum is σ = 3876976288998. Its totient is φ = 1000510010048.

The previous prime is 2001020020093. The next prime is 2001020020141. The reversal of 2001020020112 is 2110200201002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1990006776976 + 11013243136 = 1410676^2 + 104944^2 .

It is a super-2 number, since 2×2001020020112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001020020093 and 2001020020102.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 62531875613 + ... + 62531875644.

Almost surely, 2^{2001020020112} is an apocalyptic number.

It is an amenable number.

2001020020112 is a deficient number, since it is larger than the sum of its proper divisors (1875956268886).

2001020020112 is a wasteful number, since it uses less digits than its factorization.

2001020020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125063751265 (or 125063751259 counting only the distinct ones).

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

Adding to 2001020020112 its reverse (2110200201002), we get a palindrome (4111220221114).

The spelling of 2001020020112 in words is "two trillion, one billion, twenty million, twenty thousand, one hundred twelve".