2001111011122 has 8 divisors (see below), whose sum is σ = 3001727413872. Its totient is φ = 1000535206500.

The previous prime is 2001111011111. The next prime is 2001111011201. The reversal of 2001111011122 is 2211101111002.

It is a happy number.

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

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, 10026004 + ... + 10223647.

It is an arithmetic number, because the mean of its divisors is an integer number (375215926734).

Almost surely, 2^{2001111011122} is an apocalyptic number.

2001111011122 is a deficient number, since it is larger than the sum of its proper divisors (1000616402750).

2001111011122 is a wasteful number, since it uses less digits than its factorization.

2001111011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20299064.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2001111011122 its reverse (2211101111002), we get a palindrome (4212212122124).

The spelling of 2001111011122 in words is "two trillion, one billion, one hundred eleven million, eleven thousand, one hundred twenty-two".