1131121230030 has 160 divisors (see below), whose sum is σ = 3364689259008. Its totient is φ = 270348926400.

The previous prime is 1131121230011. The next prime is 1131121230049. The reversal of 1131121230030 is 300321211311.

1131121230030 is a `hidden beast` number, since 1 + 1 + 311 + 21 + 2 + 300 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (1131121230011) and next prime (1131121230049).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1131121229985 and 1131121230012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 261402 + ... + 1526621.

Almost surely, 2^{1131121230030} is an apocalyptic number.

1131121230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131121230030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682344629504).

1131121230030 is an abundant number, since it is smaller than the sum of its proper divisors (2233568028978).

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

1131121230030 is a wasteful number, since it uses less digits than its factorization.

1131121230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788124 (or 1788115 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1131121230030 its reverse (300321211311), we get a palindrome (1431442441341).

The spelling of 1131121230030 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-one million, two hundred thirty thousand, thirty".