212103131110222 has 16 divisors (see below), whose sum is σ = 347078074470192. Its totient is φ = 96410452040320.

The previous prime is 212103131110153. The next prime is 212103131110259. The reversal of 212103131110222 is 222011131301212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 212103131110193 and 212103131110202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66447348 + ... + 69566200.

It is an arithmetic number, because the mean of its divisors is an integer number (21692379654387).

Almost surely, 2^{212103131110222} is an apocalyptic number.

212103131110222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212103131110222 is a deficient number, since it is larger than the sum of its proper divisors (134974943359970).

212103131110222 is a wasteful number, since it uses less digits than its factorization.

212103131110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210083.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212103131110222 its reverse (222011131301212), we get a palindrome (434114262411434).

The spelling of 212103131110222 in words is "two hundred twelve trillion, one hundred three billion, one hundred thirty-one million, one hundred ten thousand, two hundred twenty-two".