12221122102210 has 64 divisors (see below), whose sum is σ = 25173326914560. Its totient is φ = 4184645411520.

The previous prime is 12221122102141. The next prime is 12221122102237. The reversal of 12221122102210 is 1220122112221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377050905 + ... + 377083315.

It is an arithmetic number, because the mean of its divisors is an integer number (393333233040).

Almost surely, 2^{12221122102210} is an apocalyptic number.

12221122102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221122102210 is an abundant number, since it is smaller than the sum of its proper divisors (12952204812350).

12221122102210 is a wasteful number, since it uses less digits than its factorization.

12221122102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39271.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221122102210 its reverse (1220122112221), we get a palindrome (13441244214431).

The spelling of 12221122102210 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, two hundred ten".