1121122102100 has 432 divisors, whose sum is σ = 3432111330816. Its totient is φ = 312149376000.

The previous prime is 1121122102091. The next prime is 1121122102123. The reversal of 1121122102100 is 12012211211.

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 polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21695894 + ... + 21747506.

Almost surely, 2^{1121122102100} is an apocalyptic number.

1121122102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121122102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716055665408).

1121122102100 is an abundant number, since it is smaller than the sum of its proper divisors (2310989228716).

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

1121122102100 is a wasteful number, since it uses less digits than its factorization.

1121122102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51696 (or 51682 counting only the distinct ones).

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

Adding to 1121122102100 its reverse (12012211211), we get a palindrome (1133134313311).

The spelling of 1121122102100 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, one hundred".