202021001201 has 2 divisors, whose sum is σ = 202021001202. Its totient is φ = 202021001200.

The previous prime is 202021001089. The next prime is 202021001249. The reversal of 202021001201 is 102100120202.

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., 168018010000 + 34002991201 = 409900^2 + 184399^2 .

It is a cyclic number.

It is not a de Polignac number, because 202021001201 - 2¹⁰ = 202021000177 is a prime.

It is not a weakly prime, because it can be changed into another prime (202021001291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010500600 + 101010500601.

It is an arithmetic number, because the mean of its divisors is an integer number (101010500601).

Almost surely, 2^202021001201 is an apocalyptic number.

It is an amenable number.

202021001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

202021001201 is an equidigital number, since it uses as much as digits as its factorization.

202021001201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202021001201 its reverse (102100120202), we get a palindrome (304121121403).

The spelling of 202021001201 in words is "two hundred two billion, twenty-one million, one thousand, two hundred one".