1121220210110 has 64 divisors (see below), whose sum is σ = 2709746210304. Its totient is φ = 322588828800.

The previous prime is 1121220210109. The next prime is 1121220210127. The reversal of 1121220210110 is 110120221211.

It is a super-2 number, since 2×1121220210110² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 55994996 + ... + 56015015.

It is an arithmetic number, because the mean of its divisors is an integer number (42339784536).

Almost surely, 2^{1121220210110} is an apocalyptic number.

1121220210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121220210110 is an abundant number, since it is smaller than the sum of its proper divisors (1588526000194).

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

1121220210110 is a wasteful number, since it uses less digits than its factorization.

1121220210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112010049.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121220210110 its reverse (110120221211), we get a palindrome (1231340431321).

The spelling of 1121220210110 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, two hundred ten thousand, one hundred ten".