1012202201 has 2 divisors, whose sum is σ = 1012202202. Its totient is φ = 1012202200.

The previous prime is 1012202189. The next prime is 1012202221. The reversal of 1012202201 is 1022022101.

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., 538008025 + 474194176 = 23195^2 + 21776^2 .

It is an emirp because it is prime and its reverse (1022022101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012202201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012202221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506101100 + 506101101.

It is an arithmetic number, because the mean of its divisors is an integer number (506101101).

Almost surely, 2^1012202201 is an apocalyptic number.

It is an amenable number.

1012202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012202201 is an equidigital number, since it uses as much as digits as its factorization.

1012202201 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 1012202201 is about 31815.1253494309. The cubic root of 1012202201 is about 1004.0509678337.

Adding to 1012202201 its reverse (1022022101), we get a palindrome (2034224302).

The spelling of 1012202201 in words is "one billion, twelve million, two hundred two thousand, two hundred one".