1202000102221 has 2 divisors, whose sum is σ = 1202000102222. Its totient is φ = 1202000102220.

The previous prime is 1202000102203. The next prime is 1202000102231. The reversal of 1202000102221 is 1222010002021.

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., 718612244100 + 483387858121 = 847710^2 + 695261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202000102221 - 2³³ = 1193410167629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202000102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601000051110 + 601000051111.

It is an arithmetic number, because the mean of its divisors is an integer number (601000051111).

Almost surely, 2^{1202000102221} is an apocalyptic number.

It is an amenable number.

1202000102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202000102221 is an equidigital number, since it uses as much as digits as its factorization.

1202000102221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1202000102221 its reverse (1222010002021), we get a palindrome (2424010104242).

The spelling of 1202000102221 in words is "one trillion, two hundred two billion, one hundred two thousand, two hundred twenty-one".