1202002130221 has 2 divisors, whose sum is σ = 1202002130222. Its totient is φ = 1202002130220.

The previous prime is 1202002130213. The next prime is 1202002130227. The reversal of 1202002130221 is 1220312002021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732248161225 + 469753968996 = 855715^2 + 685386^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202002130221 - 2³ = 1202002130213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202002130195 and 1202002130204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202002130227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601001065110 + 601001065111.

It is an arithmetic number, because the mean of its divisors is an integer number (601001065111).

Almost surely, 2^{1202002130221} is an apocalyptic number.

It is an amenable number.

1202002130221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202002130221 is an equidigital number, since it uses as much as digits as its factorization.

1202002130221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1202002130221 its reverse (1220312002021), we get a palindrome (2422314132242).

The spelling of 1202002130221 in words is "one trillion, two hundred two billion, two million, one hundred thirty thousand, two hundred twenty-one".