202103312011061 has 2 divisors, whose sum is σ = 202103312011062. Its totient is φ = 202103312011060.

The previous prime is 202103312011019. The next prime is 202103312011187. The reversal of 202103312011061 is 160110213301202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135326549404036 + 66776762607025 = 11632994^2 + 8171705^2 .

It is a cyclic number.

It is not a de Polignac number, because 202103312011061 - 2¹⁸ = 202103311748917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202103312211061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051656005530 + 101051656005531.

It is an arithmetic number, because the mean of its divisors is an integer number (101051656005531).

Almost surely, 2^{202103312011061} is an apocalyptic number.

It is an amenable number.

202103312011061 is a deficient number, since it is larger than the sum of its proper divisors (1).

202103312011061 is an equidigital number, since it uses as much as digits as its factorization.

202103312011061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 202103312011061 its reverse (160110213301202), we get a palindrome (362213525312263).

The spelling of 202103312011061 in words is "two hundred two trillion, one hundred three billion, three hundred twelve million, eleven thousand, sixty-one".