2001112201024 has 28 divisors (see below), whose sum is σ = 3972013326468. Its totient is φ = 1000289945600.

The previous prime is 2001112201001. The next prime is 2001112201129. The reversal of 2001112201024 is 4201022111002.

It can be written as a sum of positive squares in 2 ways, for example, as 786002818624 + 1215109382400 = 886568^2 + 1102320^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2001112200989 and 2001112201007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3916087 + ... + 4397494.

Almost surely, 2^{2001112201024} is an apocalyptic number.

It is an amenable number.

2001112201024 is a deficient number, since it is larger than the sum of its proper divisors (1970901125444).

2001112201024 is an equidigital number, since it uses as much as digits as its factorization.

2001112201024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317354 (or 8317344 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2001112201024 its reverse (4201022111002), we get a palindrome (6202134312026).

The spelling of 2001112201024 in words is "two trillion, one billion, one hundred twelve million, two hundred one thousand, twenty-four".