1202113321 has 2 divisors, whose sum is σ = 1202113322. Its totient is φ = 1202113320.

The previous prime is 1202113303. The next prime is 1202113349. The reversal of 1202113321 is 1233112021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1044259225 + 157854096 = 32315^2 + 12564^2 .

It is an emirp because it is prime and its reverse (1233112021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202113321 - 2⁹ = 1202112809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202113295 and 1202113304.

It is not a weakly prime, because it can be changed into another prime (1202113301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601056660 + 601056661.

It is an arithmetic number, because the mean of its divisors is an integer number (601056661).

Almost surely, 2^1202113321 is an apocalyptic number.

It is an amenable number.

1202113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202113321 is an equidigital number, since it uses as much as digits as its factorization.

1202113321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1202113321 is about 34671.5058946103. The cubic root of 1202113321 is about 1063.2820196366.

Adding to 1202113321 its reverse (1233112021), we get a palindrome (2435225342).

The spelling of 1202113321 in words is "one billion, two hundred two million, one hundred thirteen thousand, three hundred twenty-one".