1122221112010 has 32 divisors (see below), whose sum is σ = 2053945695312. Its totient is φ = 441350484480.

The previous prime is 1122221111983. The next prime is 1122221112011. The reversal of 1122221112010 is 102111222211.

It can be written as a sum of positive squares in 8 ways, for example, as 253311896601 + 868909215409 = 503301^2 + 932153^2 .

It is not an unprimeable number, because it can be changed into a prime (1122221112011) 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, 1136572 + ... + 1880488.

Almost surely, 2^{1122221112010} is an apocalyptic number.

1122221112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122221112010 is a deficient number, since it is larger than the sum of its proper divisors (931724583302).

1122221112010 is a wasteful number, since it uses less digits than its factorization.

1122221112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746458.

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

Adding to 1122221112010 its reverse (102111222211), we get a palindrome (1224332334221).

The spelling of 1122221112010 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, ten".