1202021101147 has 2 divisors, whose sum is σ = 1202021101148. Its totient is φ = 1202021101146.

The previous prime is 1202021101111. The next prime is 1202021101163. The reversal of 1202021101147 is 7411011202021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202021101147 - 2¹⁵ = 1202021068379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202021101247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601010550573 + 601010550574.

It is an arithmetic number, because the mean of its divisors is an integer number (601010550574).

Almost surely, 2^{1202021101147} is an apocalyptic number.

1202021101147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202021101147 is an equidigital number, since it uses as much as digits as its factorization.

1202021101147 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 1202021101147 its reverse (7411011202021), we get a palindrome (8613032303168).

The spelling of 1202021101147 in words is "one trillion, two hundred two billion, twenty-one million, one hundred one thousand, one hundred forty-seven".