32121132100121 has 4 divisors (see below), whose sum is σ = 32132698949172. Its totient is φ = 32109565251072.

The previous prime is 32121132100091. The next prime is 32121132100153. The reversal of 32121132100121 is 12100123112123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13788485491225 + 18332646608896 = 3713285^2 + 4281664^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121132100121 - 2²² = 32121127905817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32121132100093 and 32121132100102.

It is not an unprimeable number, because it can be changed into a prime (32121132100021) 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, 5783420360 + ... + 5783425913.

It is an arithmetic number, because the mean of its divisors is an integer number (8033174737293).

Almost surely, 2^{32121132100121} is an apocalyptic number.

It is an amenable number.

32121132100121 is a deficient number, since it is larger than the sum of its proper divisors (11566849051).

32121132100121 is a wasteful number, since it uses less digits than its factorization.

32121132100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566849050.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 32121132100121 its reverse (12100123112123), we get a palindrome (44221255212244).

The spelling of 32121132100121 in words is "thirty-two trillion, one hundred twenty-one billion, one hundred thirty-two million, one hundred thousand, one hundred twenty-one".