121101032130 has 64 divisors (see below), whose sum is σ = 313042181760. Its totient is φ = 29805428736.

The previous prime is 121101032113. The next prime is 121101032137. The reversal of 121101032130 is 31230101121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (121101032137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3678081 + ... + 3710859.

It is an arithmetic number, because the mean of its divisors is an integer number (4891284090).

Almost surely, 2^121101032130 is an apocalyptic number.

121101032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101032130 is an abundant number, since it is smaller than the sum of its proper divisors (191941149630).

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

121101032130 is a wasteful number, since it uses less digits than its factorization.

121101032130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42275.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121101032130 its reverse (31230101121), we get a palindrome (152331133251).

The spelling of 121101032130 in words is "one hundred twenty-one billion, one hundred one million, thirty-two thousand, one hundred thirty".