1121012020110 has 16 divisors (see below), whose sum is σ = 2690428848336. Its totient is φ = 298936538688.

The previous prime is 1121012020099. The next prime is 1121012020133. The reversal of 1121012020110 is 110202101211.

It is a super-2 number, since 2×1121012020110² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18683533639 + ... + 18683533698.

It is an arithmetic number, because the mean of its divisors is an integer number (168151803021).

Almost surely, 2^{1121012020110} is an apocalyptic number.

1121012020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121012020110 is an abundant number, since it is smaller than the sum of its proper divisors (1569416828226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121012020110 is a wasteful number, since it uses less digits than its factorization.

1121012020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37367067347.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121012020110 its reverse (110202101211), we get a palindrome (1231214121321).

The spelling of 1121012020110 in words is "one trillion, one hundred twenty-one billion, twelve million, twenty thousand, one hundred ten".