1202230320101 has 4 divisors (see below), whose sum is σ = 1202232537900. Its totient is φ = 1202228102304.

The previous prime is 1202230320091. The next prime is 1202230320103. The reversal of 1202230320101 is 1010230322021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 977871787876 + 224358532225 = 988874^2 + 473665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202230320101 - 2¹⁸ = 1202230057957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202230320101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202230320103) 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 in 3 ways as a sum of consecutive naturals, for example, 306035 + ... + 1580543.

It is an arithmetic number, because the mean of its divisors is an integer number (300558134475).

Almost surely, 2^{1202230320101} is an apocalyptic number.

It is an amenable number.

1202230320101 is a deficient number, since it is larger than the sum of its proper divisors (2217799).

1202230320101 is an equidigital number, since it uses as much as digits as its factorization.

1202230320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217798.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1202230320101 its reverse (1010230322021), we get a palindrome (2212460642122).

The spelling of 1202230320101 in words is "one trillion, two hundred two billion, two hundred thirty million, three hundred twenty thousand, one hundred one".