1222222021210 has 16 divisors (see below), whose sum is σ = 2200513373856. Its totient is φ = 488774645008.

The previous prime is 1222222021199. The next prime is 1222222021249. The reversal of 1222222021210 is 121202222221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14225464 + ... + 14311123.

It is an arithmetic number, because the mean of its divisors is an integer number (137532085866).

Almost surely, 2^{1222222021210} is an apocalyptic number.

1222222021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222222021210 is a deficient number, since it is larger than the sum of its proper divisors (978291352646).

1222222021210 is a wasteful number, since it uses less digits than its factorization.

1222222021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28540877.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1222222021210 its reverse (121202222221), we get a palindrome (1343424243431).

The spelling of 1222222021210 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, twenty-one thousand, two hundred ten".