1202101111213 has 4 divisors (see below), whose sum is σ = 1202105708188. Its totient is φ = 1202096514240.

The previous prime is 1202101111193. The next prime is 1202101111297. The reversal of 1202101111213 is 3121111012021.

It is a happy number.

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 601162970409 + 600938140804 = 775347^2 + 775202^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202101111213 - 2²⁹ = 1201564240301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202101114213) 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, 1880958 + ... + 2437663.

It is an arithmetic number, because the mean of its divisors is an integer number (300526427047).

Almost surely, 2^{1202101111213} is an apocalyptic number.

It is an amenable number.

1202101111213 is a deficient number, since it is larger than the sum of its proper divisors (4596975).

1202101111213 is an equidigital number, since it uses as much as digits as its factorization.

1202101111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596974.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1202101111213 its reverse (3121111012021), we get a palindrome (4323212123234).

The spelling of 1202101111213 in words is "one trillion, two hundred two billion, one hundred one million, one hundred eleven thousand, two hundred thirteen".