2111200223131 has 4 divisors (see below), whose sum is σ = 2113716553200. Its totient is φ = 2108683893064.

The previous prime is 2111200223107. The next prime is 2111200223147. The reversal of 2111200223131 is 1313220021112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111200223131 - 2⁷ = 2111200223003 is a prime.

It is a super-2 number, since 2×2111200223131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111200223099 and 2111200223108.

It is not an unprimeable number, because it can be changed into a prime (2111200253131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258163776 + ... + 1258165453.

It is an arithmetic number, because the mean of its divisors is an integer number (528429138300).

Almost surely, 2^{2111200223131} is an apocalyptic number.

2111200223131 is a deficient number, since it is larger than the sum of its proper divisors (2516330069).

2111200223131 is an equidigital number, since it uses as much as digits as its factorization.

2111200223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516330068.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2111200223131 its reverse (1313220021112), we get a palindrome (3424420244243).

The spelling of 2111200223131 in words is "two trillion, one hundred eleven billion, two hundred million, two hundred twenty-three thousand, one hundred thirty-one".