2123312103211 has 32 divisors (see below), whose sum is σ = 2316728594880. Its totient is φ = 1934330112000.

The previous prime is 2123312103197. The next prime is 2123312103217. The reversal of 2123312103211 is 1123012133212.

It is not a de Polignac number, because 2123312103211 - 2¹⁷ = 2123311972139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123312103217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618498751 + ... + 618502183.

It is an arithmetic number, because the mean of its divisors is an integer number (72397768590).

Almost surely, 2^{2123312103211} is an apocalyptic number.

2123312103211 is a deficient number, since it is larger than the sum of its proper divisors (193416491669).

2123312103211 is a wasteful number, since it uses less digits than its factorization.

2123312103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2123312103211 its reverse (1123012133212), we get a palindrome (3246324236423).

The spelling of 2123312103211 in words is "two trillion, one hundred twenty-three billion, three hundred twelve million, one hundred three thousand, two hundred eleven".