121133011230 has 288 divisors, whose sum is σ = 404176612320. Its totient is φ = 24886794240.

The previous prime is 121133011213. The next prime is 121133011231. The reversal of 121133011230 is 32110331121.

121133011230 is a `hidden beast` number, since 1 + 211 + 330 + 1 + 123 + 0 = 666.

It is a super-2 number, since 2×121133011230² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121133011231) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4303362 + ... + 4331418.

It is an arithmetic number, because the mean of its divisors is an integer number (1403391015).

Almost surely, 2^121133011230 is an apocalyptic number.

121133011230 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 121133011230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202088306160).

121133011230 is an abundant number, since it is smaller than the sum of its proper divisors (283043601090).

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

121133011230 is a wasteful number, since it uses less digits than its factorization.

121133011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28184 (or 28174 counting only the distinct ones).

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

Adding to 121133011230 its reverse (32110331121), we get a palindrome (153243342351).

The spelling of 121133011230 in words is "one hundred twenty-one billion, one hundred thirty-three million, eleven thousand, two hundred thirty".