1220221020010 has 32 divisors (see below), whose sum is σ = 2240495769600. Its totient is φ = 478362827712.

The previous prime is 1220221019981. The next prime is 1220221020017. The reversal of 1220221020010 is 100201220221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220221020017) 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, 4490410 + ... + 4754389.

It is an arithmetic number, because the mean of its divisors is an integer number (70015492800).

Almost surely, 2^{1220221020010} is an apocalyptic number.

1220221020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220221020010 is a deficient number, since it is larger than the sum of its proper divisors (1020274749590).

1220221020010 is a wasteful number, since it uses less digits than its factorization.

1220221020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9245070.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220221020010 its reverse (100201220221), we get a palindrome (1320422240231).

The spelling of 1220221020010 in words is "one trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, ten".