1011322201 has 2 divisors, whose sum is σ = 1011322202. Its totient is φ = 1011322200.

The previous prime is 1011322199. The next prime is 1011322211. The reversal of 1011322201 is 1022231101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830822976 + 180499225 = 28824^2 + 13435^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011322201 - 2¹ = 1011322199 is a prime.

Together with 1011322199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1011322211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505661100 + 505661101.

It is an arithmetic number, because the mean of its divisors is an integer number (505661101).

Almost surely, 2^1011322201 is an apocalyptic number.

It is an amenable number.

1011322201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011322201 is an equidigital number, since it uses as much as digits as its factorization.

1011322201 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 1011322201 is about 31801.2924422892. The cubic root of 1011322201 is about 1003.7599123413.

Adding to 1011322201 its reverse (1022231101), we get a palindrome (2033553302).

The spelling of 1011322201 in words is "one billion, eleven million, three hundred twenty-two thousand, two hundred one".