212214331222311 has 16 divisors (see below), whose sum is σ = 308675732440320. Its totient is φ = 128614603873920.

The previous prime is 212214331222307. The next prime is 212214331222337. The reversal of 212214331222311 is 113222133412212.

It is not a de Polignac number, because 212214331222311 - 2² = 212214331222307 is a prime.

It is a super-2 number, since 2×212214331222311² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212214331221311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32027775 + ... + 38081583.

It is an arithmetic number, because the mean of its divisors is an integer number (19292233277520).

Almost surely, 2^{212214331222311} is an apocalyptic number.

212214331222311 is a deficient number, since it is larger than the sum of its proper divisors (96461401218009).

212214331222311 is a wasteful number, since it uses less digits than its factorization.

212214331222311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116086.

The product of its digits is 6912, while the sum is 30.

Adding to 212214331222311 its reverse (113222133412212), we get a palindrome (325436464634523).

The spelling of 212214331222311 in words is "two hundred twelve trillion, two hundred fourteen billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred eleven".