12221012110 has 8 divisors (see below), whose sum is σ = 21997821816. Its totient is φ = 4888404840.

The previous prime is 12221012087. The next prime is 12221012117. The reversal of 12221012110 is 1121012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221012117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611050596 + ... + 611050615.

It is an arithmetic number, because the mean of its divisors is an integer number (2749727727).

Almost surely, 2^12221012110 is an apocalyptic number.

12221012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221012110 is a deficient number, since it is larger than the sum of its proper divisors (9776809706).

12221012110 is a wasteful number, since it uses less digits than its factorization.

12221012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222101218.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12221012110 its reverse (1121012221), we get a palindrome (13342024331).

The spelling of 12221012110 in words is "twelve billion, two hundred twenty-one million, twelve thousand, one hundred ten".