1121222101100 has 72 divisors (see below), whose sum is σ = 2447562096000. Its totient is φ = 445821644800.

The previous prime is 1121222101093. The next prime is 1121222101121. The reversal of 1121222101100 is 11012221211.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12031685 + ... + 12124515.

It is an arithmetic number, because the mean of its divisors is an integer number (33993918000).

Almost surely, 2^{1121222101100} is an apocalyptic number.

1121222101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121222101100 is an abundant number, since it is smaller than the sum of its proper divisors (1326339994900).

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

1121222101100 is a wasteful number, since it uses less digits than its factorization.

1121222101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93563 (or 93556 counting only the distinct ones).

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

Adding to 1121222101100 its reverse (11012221211), we get a palindrome (1132234322311).

The spelling of 1121222101100 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred one thousand, one hundred".