2001120110122 has 16 divisors (see below), whose sum is σ = 3434002891200. Its totient is φ = 856745085888.

The previous prime is 2001120110069. The next prime is 2001120110153. The reversal of 2001120110122 is 2210110211002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73137372 + ... + 73164727.

It is an arithmetic number, because the mean of its divisors is an integer number (214625180700).

Almost surely, 2^{2001120110122} is an apocalyptic number.

2001120110122 is a deficient number, since it is larger than the sum of its proper divisors (1432882781078).

2001120110122 is a wasteful number, since it uses less digits than its factorization.

2001120110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146303085.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001120110122 its reverse (2210110211002), we get a palindrome (4211230321124).

The spelling of 2001120110122 in words is "two trillion, one billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-two".