121301021131121 has 32 divisors (see below), whose sum is σ = 138848876624640. Its totient is φ = 105042120447744.

The previous prime is 121301021131067. The next prime is 121301021131139. The reversal of 121301021131121 is 121131120103121.

It is a cyclic number.

It is not a de Polignac number, because 121301021131121 - 2²⁶ = 121300954022257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301021131093 and 121301021131102.

It is not an unprimeable number, because it can be changed into a prime (121301021131141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594123371 + ... + 594327503.

It is an arithmetic number, because the mean of its divisors is an integer number (4339027394520).

Almost surely, 2^{121301021131121} is an apocalyptic number.

It is an amenable number.

121301021131121 is a deficient number, since it is larger than the sum of its proper divisors (17547855493519).

121301021131121 is a wasteful number, since it uses less digits than its factorization.

121301021131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227625.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 121301021131121 its reverse (121131120103121), we get a palindrome (242432141234242).

The spelling of 121301021131121 in words is "one hundred twenty-one trillion, three hundred one billion, twenty-one million, one hundred thirty-one thousand, one hundred twenty-one".