121132031011 has 8 divisors (see below), whose sum is σ = 124166916720. Its totient is φ = 118107048192.

The previous prime is 121132030967. The next prime is 121132031039. The reversal of 121132031011 is 110130231121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121132031011 - 2²⁵ = 121098476579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121132031611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2450950 + ... + 2499883.

It is an arithmetic number, because the mean of its divisors is an integer number (15520864590).

Almost surely, 2^121132031011 is an apocalyptic number.

121132031011 is a deficient number, since it is larger than the sum of its proper divisors (3034885709).

121132031011 is an equidigital number, since it uses as much as digits as its factorization.

121132031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951445.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121132031011 its reverse (110130231121), we get a palindrome (231262262132).

The spelling of 121132031011 in words is "one hundred twenty-one billion, one hundred thirty-two million, thirty-one thousand, eleven".