1100121220110 has 96 divisors (see below), whose sum is σ = 2929261781376. Its totient is φ = 264203473600.

The previous prime is 1100121220091. The next prime is 1100121220117. The reversal of 1100121220110 is 110221210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100121220117) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1027776 + ... + 1804595.

It is an arithmetic number, because the mean of its divisors is an integer number (30513143556).

Almost surely, 2^{1100121220110} is an apocalyptic number.

1100121220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100121220110 is an abundant number, since it is smaller than the sum of its proper divisors (1829140561266).

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

1100121220110 is a wasteful number, since it uses less digits than its factorization.

1100121220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832510 (or 2832499 counting only the distinct ones).

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

Adding to 1100121220110 its reverse (110221210011), we get a palindrome (1210342430121).

It can be divided in two parts, 1100121 and 220110, that added together give a palindrome (1320231).

The spelling of 1100121220110 in words is "one trillion, one hundred billion, one hundred twenty-one million, two hundred twenty thousand, one hundred ten".