202120010441 has 2 divisors, whose sum is σ = 202120010442. Its totient is φ = 202120010440.

The previous prime is 202120010431. The next prime is 202120010479. The reversal of 202120010441 is 144010021202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147625776841 + 54494233600 = 384221^2 + 233440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202120010441 is a prime.

It is not a weakly prime, because it can be changed into another prime (202120010401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060005220 + 101060005221.

It is an arithmetic number, because the mean of its divisors is an integer number (101060005221).

Almost surely, 2^202120010441 is an apocalyptic number.

It is an amenable number.

202120010441 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120010441 is an equidigital number, since it uses as much as digits as its factorization.

202120010441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202120010441 its reverse (144010021202), we get a palindrome (346130031643).

The spelling of 202120010441 in words is "two hundred two billion, one hundred twenty million, ten thousand, four hundred forty-one".