1121232030100 has 576 divisors, whose sum is σ = 3328748946432. Its totient is φ = 317509632000.

The previous prime is 1121232030007. The next prime is 1121232030103. The reversal of 1121232030100 is 10302321211.

It is a super-2 number, since 2×1121232030100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121232030103) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 644015230 + ... + 644016970.

It is an arithmetic number, because the mean of its divisors is an integer number (5779078032).

Almost surely, 2^{1121232030100} is an apocalyptic number.

1121232030100 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 1121232030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664374473216).

1121232030100 is an abundant number, since it is smaller than the sum of its proper divisors (2207516916332).

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

1121232030100 is a wasteful number, since it uses less digits than its factorization.

1121232030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1121232030100 its reverse (10302321211), we get a palindrome (1131534351311).

The spelling of 1121232030100 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-two million, thirty thousand, one hundred".