201202122101 has 2 divisors, whose sum is σ = 201202122102. Its totient is φ = 201202122100.

The previous prime is 201202122091. The next prime is 201202122109. The reversal of 201202122101 is 101221202102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184191180625 + 17010941476 = 429175^2 + 130426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201202122101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201202122109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601061050 + 100601061051.

It is an arithmetic number, because the mean of its divisors is an integer number (100601061051).

Almost surely, 2^201202122101 is an apocalyptic number.

It is an amenable number.

201202122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202122101 is an equidigital number, since it uses as much as digits as its factorization.

201202122101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201202122101 its reverse (101221202102), we get a palindrome (302423324203).

The spelling of 201202122101 in words is "two hundred one billion, two hundred two million, one hundred twenty-two thousand, one hundred one".