202110021331373 has 2 divisors, whose sum is σ = 202110021331374. Its totient is φ = 202110021331372.

The previous prime is 202110021331313. The next prime is 202110021331403. The reversal of 202110021331373 is 373133120011202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189434840642089 + 12675180689284 = 13763533^2 + 3560222^2 .

It is a cyclic number.

It is not a de Polignac number, because 202110021331373 - 2¹⁶ = 202110021265837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202110021331313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055010665686 + 101055010665687.

It is an arithmetic number, because the mean of its divisors is an integer number (101055010665687).

Almost surely, 2^{202110021331373} is an apocalyptic number.

It is an amenable number.

202110021331373 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110021331373 is an equidigital number, since it uses as much as digits as its factorization.

202110021331373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 202110021331373 its reverse (373133120011202), we get a palindrome (575243141342575).

The spelling of 202110021331373 in words is "two hundred two trillion, one hundred ten billion, twenty-one million, three hundred thirty-one thousand, three hundred seventy-three".