2031111232211 has 8 divisors (see below), whose sum is σ = 2149205606400. Its totient is φ = 1914136236360.

The previous prime is 2031111232181. The next prime is 2031111232231. The reversal of 2031111232211 is 1122321111302.

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

It is not a de Polignac number, because 2031111232211 - 2⁶ = 2031111232147 is a prime.

It is a super-2 number, since 2×2031111232211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031111232231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279840851 + ... + 279848108.

It is an arithmetic number, because the mean of its divisors is an integer number (268650700800).

Almost surely, 2^{2031111232211} is an apocalyptic number.

2031111232211 is a deficient number, since it is larger than the sum of its proper divisors (118094374189).

2031111232211 is a wasteful number, since it uses less digits than its factorization.

2031111232211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559689169.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2031111232211 its reverse (1122321111302), we get a palindrome (3153432343513).

The spelling of 2031111232211 in words is "two trillion, thirty-one billion, one hundred eleven million, two hundred thirty-two thousand, two hundred eleven".