1011220000201 has 2 divisors, whose sum is σ = 1011220000202. Its totient is φ = 1011220000200.

The previous prime is 1011220000181. The next prime is 1011220000207. The reversal of 1011220000201 is 1020000221101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714439110025 + 296780890176 = 845245^2 + 544776^2 .

It is an emirp because it is prime and its reverse (1020000221101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011220000201 - 2¹⁷ = 1011219869129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011220000207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505610000100 + 505610000101.

It is an arithmetic number, because the mean of its divisors is an integer number (505610000101).

Almost surely, 2^{1011220000201} is an apocalyptic number.

It is an amenable number.

1011220000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011220000201 is an equidigital number, since it uses as much as digits as its factorization.

1011220000201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1011220000201 its reverse (1020000221101), we get a palindrome (2031220221302).

The spelling of 1011220000201 in words is "one trillion, eleven billion, two hundred twenty million, two hundred one", and thus it is an aban number.