121432301101 has 4 divisors (see below), whose sum is σ = 121570136604. Its totient is φ = 121294465600.

The previous prime is 121432301099. The next prime is 121432301119. The reversal of 121432301101 is 101103234121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101103234121 = 761 ⋅132855761.

It can be written as a sum of positive squares in 2 ways, for example, as 11705076100 + 109727225001 = 108190^2 + 331251^2 .

It is a cyclic number.

It is not a de Polignac number, because 121432301101 - 2¹ = 121432301099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121432301701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68916430 + ... + 68918191.

It is an arithmetic number, because the mean of its divisors is an integer number (30392534151).

Almost surely, 2^121432301101 is an apocalyptic number.

It is an amenable number.

121432301101 is a deficient number, since it is larger than the sum of its proper divisors (137835503).

121432301101 is an equidigital number, since it uses as much as digits as its factorization.

121432301101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137835502.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121432301101 its reverse (101103234121), we get a palindrome (222535535222).

The spelling of 121432301101 in words is "one hundred twenty-one billion, four hundred thirty-two million, three hundred one thousand, one hundred one".