1020011022201 has 12 divisors (see below), whose sum is σ = 1408528898192. Its totient is φ = 656558817264.

The previous prime is 1020011022181. The next prime is 1020011022257. The reversal of 1020011022201 is 1022201100201.

It is not a de Polignac number, because 1020011022201 - 2⁷ = 1020011022073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020011022101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202139971 + ... + 202145016.

Almost surely, 2^{1020011022201} is an apocalyptic number.

It is an amenable number.

1020011022201 is a deficient number, since it is larger than the sum of its proper divisors (388517875991).

1020011022201 is an equidigital number, since it uses as much as digits as its factorization.

1020011022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404285048 (or 404285019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020011022201 its reverse (1022201100201), we get a palindrome (2042212122402).

The spelling of 1020011022201 in words is "one trillion, twenty billion, eleven million, twenty-two thousand, two hundred one".