1121001202147 has 2 divisors, whose sum is σ = 1121001202148. Its totient is φ = 1121001202146.

The previous prime is 1121001202109. The next prime is 1121001202159. The reversal of 1121001202147 is 7412021001211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121001202147 - 2⁷ = 1121001202019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121001205147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500601073 + 560500601074.

It is an arithmetic number, because the mean of its divisors is an integer number (560500601074).

Almost surely, 2^{1121001202147} is an apocalyptic number.

1121001202147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121001202147 is an equidigital number, since it uses as much as digits as its factorization.

1121001202147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 1121001202147 its reverse (7412021001211), we get a palindrome (8533022203358).

The spelling of 1121001202147 in words is "one trillion, one hundred twenty-one billion, one million, two hundred two thousand, one hundred forty-seven".