1121112121210 has 32 divisors (see below), whose sum is σ = 2107896763392. Its totient is φ = 428508115200.

The previous prime is 1121112121201. The next prime is 1121112121219. The reversal of 1121112121210 is 121212111211.

It is an interprime number because it is at equal distance from previous prime (1121112121201) and next prime (1121112121219).

It is not an unprimeable number, because it can be changed into a prime (1121112121219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269866 + ... + 2719285.

It is an arithmetic number, because the mean of its divisors is an integer number (65871773856).

Almost surely, 2^{1121112121210} is an apocalyptic number.

1121112121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121112121210 is a deficient number, since it is larger than the sum of its proper divisors (986784642182).

1121112121210 is a wasteful number, since it uses less digits than its factorization.

1121112121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990158.

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

Adding to 1121112121210 its reverse (121212111211), we get a palindrome (1242324232421).

Subtracting from 1121112121210 its reverse (121212111211), we obtain a palindrome (999900009999).

The spelling of 1121112121210 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, two hundred ten".