202101061 has 2 divisors, whose sum is σ = 202101062. Its totient is φ = 202101060.

The previous prime is 202101041. The next prime is 202101071. The reversal of 202101061 is 160101202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165122500 + 36978561 = 12850^2 + 6081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202101061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202101041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050530 + 101050531.

It is an arithmetic number, because the mean of its divisors is an integer number (101050531).

Almost surely, 2^202101061 is an apocalyptic number.

It is an amenable number.

202101061 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101061 is an equidigital number, since it uses as much as digits as its factorization.

202101061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 202101061 is about 14216.2252725539. The cubic root of 202101061 is about 586.8442646643.

Adding to 202101061 its reverse (160101202), we get a palindrome (362202263).

The spelling of 202101061 in words is "two hundred two million, one hundred one thousand, sixty-one".