1010202122201 has 4 divisors (see below), whose sum is σ = 1010205438900. Its totient is φ = 1010198805504.

The previous prime is 1010202122159. The next prime is 1010202122309. The reversal of 1010202122201 is 1022212020101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 218253414976 + 791948707225 = 467176^2 + 889915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010202122201 - 2¹⁰ = 1010202121177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010202182201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149416 + ... + 1827993.

It is an arithmetic number, because the mean of its divisors is an integer number (252551359725).

Almost surely, 2^{1010202122201} is an apocalyptic number.

It is an amenable number.

1010202122201 is a deficient number, since it is larger than the sum of its proper divisors (3316699).

1010202122201 is an equidigital number, since it uses as much as digits as its factorization.

1010202122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316698.

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

Adding to 1010202122201 its reverse (1022212020101), we get a palindrome (2032414142302).

The spelling of 1010202122201 in words is "one trillion, ten billion, two hundred two million, one hundred twenty-two thousand, two hundred one".