202106702101 has 2 divisors, whose sum is σ = 202106702102. Its totient is φ = 202106702100.

The previous prime is 202106702071. The next prime is 202106702113. The reversal of 202106702101 is 101207601202.

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., 196006311076 + 6100391025 = 442726^2 + 78105^2 .

It is a cyclic number.

It is not a de Polignac number, because 202106702101 - 2¹³ = 202106693909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202106802101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101053351050 + 101053351051.

It is an arithmetic number, because the mean of its divisors is an integer number (101053351051).

Almost surely, 2^202106702101 is an apocalyptic number.

It is an amenable number.

202106702101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202106702101 is an equidigital number, since it uses as much as digits as its factorization.

202106702101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The spelling of 202106702101 in words is "two hundred two billion, one hundred six million, seven hundred two thousand, one hundred one".