2001111121022 has 8 divisors (see below), whose sum is σ = 3232564118616. Its totient is φ = 923589748152.

The previous prime is 2001111120979. The next prime is 2001111121049. The reversal of 2001111121022 is 2201211111002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2001111120988 and 2001111121006.

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, 38482906148 + ... + 38482906199.

It is an arithmetic number, because the mean of its divisors is an integer number (404070514827).

Almost surely, 2^{2001111121022} is an apocalyptic number.

2001111121022 is a deficient number, since it is larger than the sum of its proper divisors (1231452997594).

2001111121022 is a wasteful number, since it uses less digits than its factorization.

2001111121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76965812362.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2001111121022 its reverse (2201211111002), we get a palindrome (4202322232024).

The spelling of 2001111121022 in words is "two trillion, one billion, one hundred eleven million, one hundred twenty-one thousand, twenty-two".