1001120001047 has 2 divisors, whose sum is σ = 1001120001048. Its totient is φ = 1001120001046.

The previous prime is 1001120001029. The next prime is 1001120001107. The reversal of 1001120001047 is 7401000211001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001120001047 - 2⁶ = 1001120000983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001120001347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500560000523 + 500560000524.

It is an arithmetic number, because the mean of its divisors is an integer number (500560000524).

Almost surely, 2^{1001120001047} is an apocalyptic number.

1001120001047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001120001047 is an equidigital number, since it uses as much as digits as its factorization.

1001120001047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 1001120001047 its reverse (7401000211001), we get a palindrome (8402120212048).

The spelling of 1001120001047 in words is "one trillion, one billion, one hundred twenty million, one thousand, forty-seven".