12221112021010 has 32 divisors (see below), whose sum is σ = 22327088676480. Its totient is φ = 4815319314432.

The previous prime is 12221112020963. The next prime is 12221112021017. The reversal of 12221112021010 is 1012021112221.

It is not an unprimeable number, because it can be changed into a prime (12221112021017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20460171 + ... + 21049009.

It is an arithmetic number, because the mean of its divisors is an integer number (697721521140).

Almost surely, 2^{12221112021010} is an apocalyptic number.

12221112021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221112021010 is a deficient number, since it is larger than the sum of its proper divisors (10105976655470).

12221112021010 is a wasteful number, since it uses less digits than its factorization.

12221112021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619890.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12221112021010 its reverse (1012021112221), we get a palindrome (13233133133231).

The spelling of 12221112021010 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, twenty-one thousand, ten".