2001211120192 has 14 divisors (see below), whose sum is σ = 3971153316758. Its totient is φ = 1000605560064.

The previous prime is 2001211120177. The next prime is 2001211120211. The reversal of 2001211120192 is 2910211121002.

It can be written as a sum of positive squares in only one way, i.e., 1980482031616 + 20729088576 = 1407296^2 + 143976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15634461813 + ... + 15634461940.

Almost surely, 2^{2001211120192} is an apocalyptic number.

It is an amenable number.

2001211120192 is a deficient number, since it is larger than the sum of its proper divisors (1969942196566).

2001211120192 is an equidigital number, since it uses as much as digits as its factorization.

2001211120192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31268923765 (or 31268923755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 2001211120192 its reverse (2910211121002), we get a palindrome (4911422241194).

The spelling of 2001211120192 in words is "two trillion, one billion, two hundred eleven million, one hundred twenty thousand, one hundred ninety-two".