121006644091147 has 2 divisors, whose sum is σ = 121006644091148. Its totient is φ = 121006644091146.

The previous prime is 121006644091133. The next prime is 121006644091231. The reversal of 121006644091147 is 741190446600121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121006644091147 - 2¹⁹ = 121006643566859 is a prime.

It is a super-3 number, since 3×121006644091147³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121006644091097 and 121006644091106.

It is not a weakly prime, because it can be changed into another prime (121006644091247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60503322045573 + 60503322045574.

It is an arithmetic number, because the mean of its divisors is an integer number (60503322045574).

Almost surely, 2^{121006644091147} is an apocalyptic number.

121006644091147 is a deficient number, since it is larger than the sum of its proper divisors (1).

121006644091147 is an equidigital number, since it uses as much as digits as its factorization.

121006644091147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 121006644091147 in words is "one hundred twenty-one trillion, six billion, six hundred forty-four million, ninety-one thousand, one hundred forty-seven".