2220221221010 has 32 divisors (see below), whose sum is σ = 4313029436352. Its totient is φ = 818018562240.

The previous prime is 2220221221007. The next prime is 2220221221013. The reversal of 2220221221010 is 101221220222.

It is a happy number.

2220221221010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2220221221007) and next prime (2220221221013).

It is a self number, because there is not a number n which added to its sum of digits gives 2220221221010.

It is not an unprimeable number, because it can be changed into a prime (2220221221013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18224756 + ... + 18346175.

It is an arithmetic number, because the mean of its divisors is an integer number (134782169886).

Almost surely, 2^{2220221221010} is an apocalyptic number.

2220221221010 is a deficient number, since it is larger than the sum of its proper divisors (2092808215342).

2220221221010 is a wasteful number, since it uses less digits than its factorization.

2220221221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36571418.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2220221221010 its reverse (101221220222), we get a palindrome (2321442441232).

The spelling of 2220221221010 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, ten".