121130320101 has 48 divisors (see below), whose sum is σ = 190259875008. Its totient is φ = 68339980800.

The previous prime is 121130320093. The next prime is 121130320123. The reversal of 121130320101 is 101023031121.

It is a happy number.

It is not a de Polignac number, because 121130320101 - 2³ = 121130320093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130320141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38077731 + ... + 38080911.

It is an arithmetic number, because the mean of its divisors is an integer number (3963747396).

Almost surely, 2^121130320101 is an apocalyptic number.

It is an amenable number.

121130320101 is a deficient number, since it is larger than the sum of its proper divisors (69129554907).

121130320101 is a wasteful number, since it uses less digits than its factorization.

121130320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402 (or 6395 counting only the distinct ones).

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

Adding to 121130320101 its reverse (101023031121), we get a palindrome (222153351222).

The spelling of 121130320101 in words is "one hundred twenty-one billion, one hundred thirty million, three hundred twenty thousand, one hundred one".