2001112201142 has 8 divisors (see below), whose sum is σ = 3074879723832. Its totient is φ = 976152293200.

The previous prime is 2001112201139. The next prime is 2001112201169. The reversal of 2001112201142 is 2411022111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2001112201142² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001112201142.

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, 12201903584 + ... + 12201903747.

It is an arithmetic number, because the mean of its divisors is an integer number (384359965479).

Almost surely, 2^{2001112201142} is an apocalyptic number.

2001112201142 is a deficient number, since it is larger than the sum of its proper divisors (1073767522690).

2001112201142 is a wasteful number, since it uses less digits than its factorization.

2001112201142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24403807374.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2001112201142 its reverse (2411022111002), we get a palindrome (4412134312144).

The spelling of 2001112201142 in words is "two trillion, one billion, one hundred twelve million, two hundred one thousand, one hundred forty-two".