201121120110947 has 2 divisors, whose sum is σ = 201121120110948. Its totient is φ = 201121120110946.

The previous prime is 201121120110929. The next prime is 201121120111027. The reversal of 201121120110947 is 749011021121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201121120110947 - 2²⁰ = 201121119062371 is a prime.

It is not a weakly prime, because it can be changed into another prime (201121120110047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560560055473 + 100560560055474.

It is an arithmetic number, because the mean of its divisors is an integer number (100560560055474).

Almost surely, 2^{201121120110947} is an apocalyptic number.

201121120110947 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121120110947 is an equidigital number, since it uses as much as digits as its factorization.

201121120110947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 201121120110947 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, nine hundred forty-seven".