201211211120047 has 2 divisors, whose sum is σ = 201211211120048. Its totient is φ = 201211211120046.

The previous prime is 201211211119999. The next prime is 201211211120089. The reversal of 201211211120047 is 740021112112102.

201211211120047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201211211120047 - 2²³ = 201211202731439 is a prime.

It is a super-2 number, since 2×201211211120047² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201211211120947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605605560023 + 100605605560024.

It is an arithmetic number, because the mean of its divisors is an integer number (100605605560024).

Almost surely, 2^{201211211120047} is an apocalyptic number.

201211211120047 is a deficient number, since it is larger than the sum of its proper divisors (1).

201211211120047 is an equidigital number, since it uses as much as digits as its factorization.

201211211120047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 201211211120047 its reverse (740021112112102), we get a palindrome (941232323232149).

The spelling of 201211211120047 in words is "two hundred one trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty thousand, forty-seven".