121130234445 has 64 divisors (see below), whose sum is σ = 214462080000. Its totient is φ = 57890058240.

The previous prime is 121130234429. The next prime is 121130234447. The reversal of 121130234445 is 544432031121.

It is not a de Polignac number, because 121130234445 - 2⁴ = 121130234429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130234447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6139206 + ... + 6158904.

It is an arithmetic number, because the mean of its divisors is an integer number (3350970000).

Almost surely, 2^121130234445 is an apocalyptic number.

121130234445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121130234445 is a deficient number, since it is larger than the sum of its proper divisors (93331845555).

121130234445 is a wasteful number, since it uses less digits than its factorization.

121130234445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20250.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 121130234445 its reverse (544432031121), we get a palindrome (665562265566).

The spelling of 121130234445 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred thirty-four thousand, four hundred forty-five".