2001111201022 has 32 divisors (see below), whose sum is σ = 3134029060800. Its totient is φ = 957078194688.

The previous prime is 2001111200999. The next prime is 2001111201041. The reversal of 2001111201022 is 2201021111002.

It is a super-2 number, since 2×2001111201022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001111200993 and 2001111201011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82976838 + ... + 83000950.

It is an arithmetic number, because the mean of its divisors is an integer number (97938408150).

Almost surely, 2^{2001111201022} is an apocalyptic number.

2001111201022 is a deficient number, since it is larger than the sum of its proper divisors (1132917859778).

2001111201022 is a wasteful number, since it uses less digits than its factorization.

2001111201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37380.

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

Adding to 2001111201022 its reverse (2201021111002), we get a palindrome (4202132312024).

The spelling of 2001111201022 in words is "two trillion, one billion, one hundred eleven million, two hundred one thousand, twenty-two".