1121121212110 has 8 divisors (see below), whose sum is σ = 2018018181816. Its totient is φ = 448448484840.

The previous prime is 1121121212069. The next prime is 1121121212131. The reversal of 1121121212110 is 112121211211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1121121212110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56056060596 + ... + 56056060615.

It is an arithmetic number, because the mean of its divisors is an integer number (252252272727).

Almost surely, 2^{1121121212110} is an apocalyptic number.

1121121212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121121212110 is a deficient number, since it is larger than the sum of its proper divisors (896896969706).

1121121212110 is a wasteful number, since it uses less digits than its factorization.

1121121212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112112121218.

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

Adding to 1121121212110 its reverse (112121211211), we get a palindrome (1233242423321).

The spelling of 1121121212110 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred twelve thousand, one hundred ten".