2001121120022 has 8 divisors (see below), whose sum is σ = 3029220044400. Its totient is φ = 991381105224.

The previous prime is 2001121120007. The next prime is 2001121120069. The reversal of 2001121120022 is 2200211211002.

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 = 2001121119979 and 2001121120006.

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, 4589727122 + ... + 4589727557.

It is an arithmetic number, because the mean of its divisors is an integer number (378652505550).

Almost surely, 2^{2001121120022} is an apocalyptic number.

2001121120022 is a deficient number, since it is larger than the sum of its proper divisors (1028098924378).

2001121120022 is a wasteful number, since it uses less digits than its factorization.

2001121120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179454790.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001121120022 its reverse (2200211211002), we get a palindrome (4201332331024).

The spelling of 2001121120022 in words is "two trillion, one billion, one hundred twenty-one million, one hundred twenty thousand, twenty-two".