1202202101 has 2 divisors, whose sum is σ = 1202202102. Its totient is φ = 1202202100.

The previous prime is 1202202097. The next prime is 1202202137. The reversal of 1202202101 is 1012022021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1197229201 + 4972900 = 34601^2 + 2230^2 .

It is an emirp because it is prime and its reverse (1012022021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202202101 - 2² = 1202202097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202202151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601101050 + 601101051.

It is an arithmetic number, because the mean of its divisors is an integer number (601101051).

Almost surely, 2^1202202101 is an apocalyptic number.

It is an amenable number.

1202202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202202101 is an equidigital number, since it uses as much as digits as its factorization.

1202202101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1202202101 is about 34672.7861730205. The cubic root of 1202202101 is about 1063.3081946104.

Adding to 1202202101 its reverse (1012022021), we get a palindrome (2214224122).

The spelling of 1202202101 in words is "one billion, two hundred two million, two hundred two thousand, one hundred one".