121301132321131 has 4 divisors (see below), whose sum is σ = 138629865509872. Its totient is φ = 103972399132392.

The previous prime is 121301132321081. The next prime is 121301132321179. The reversal of 121301132321131 is 131123231103121.

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

It is not a de Polignac number, because 121301132321131 - 2⁷ = 121301132321003 is a prime.

It is a super-2 number, since 2×121301132321131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121301132321096 and 121301132321105.

It is not an unprimeable number, because it can be changed into a prime (121301132322131) 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, 8664366594360 + ... + 8664366594373.

It is an arithmetic number, because the mean of its divisors is an integer number (34657466377468).

Almost surely, 2^{121301132321131} is an apocalyptic number.

121301132321131 is a deficient number, since it is larger than the sum of its proper divisors (17328733188741).

121301132321131 is an equidigital number, since it uses as much as digits as its factorization.

121301132321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17328733188740.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 121301132321131 its reverse (131123231103121), we get a palindrome (252424363424252).

The spelling of 121301132321131 in words is "one hundred twenty-one trillion, three hundred one billion, one hundred thirty-two million, three hundred twenty-one thousand, one hundred thirty-one".