2131023012211 has 2 divisors, whose sum is σ = 2131023012212. Its totient is φ = 2131023012210.

The previous prime is 2131023012199. The next prime is 2131023012227. The reversal of 2131023012211 is 1122103201312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131023012211 - 2¹¹ = 2131023010163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131023012011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065511506105 + 1065511506106.

It is an arithmetic number, because the mean of its divisors is an integer number (1065511506106).

Almost surely, 2^{2131023012211} is an apocalyptic number.

2131023012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131023012211 is an equidigital number, since it uses as much as digits as its factorization.

2131023012211 is an evil number, because the sum of its binary digits is even.

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

Adding to 2131023012211 its reverse (1122103201312), we get a palindrome (3253126213523).

The spelling of 2131023012211 in words is "two trillion, one hundred thirty-one billion, twenty-three million, twelve thousand, two hundred eleven".