212102233311 has 16 divisors (see below), whose sum is σ = 289856635904. Its totient is φ = 137885497344.

The previous prime is 212102233309. The next prime is 212102233333. The reversal of 212102233311 is 113332201212.

It is not a de Polignac number, because 212102233311 - 2¹ = 212102233309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102231311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276066 + ... + 1432671.

It is an arithmetic number, because the mean of its divisors is an integer number (18116039744).

Almost surely, 2^212102233311 is an apocalyptic number.

212102233311 is a deficient number, since it is larger than the sum of its proper divisors (77754402593).

212102233311 is a wasteful number, since it uses less digits than its factorization.

212102233311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709390.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212102233311 its reverse (113332201212), we get a palindrome (325434434523).

The spelling of 212102233311 in words is "two hundred twelve billion, one hundred two million, two hundred thirty-three thousand, three hundred eleven".