1000020102201 has 8 divisors (see below), whose sum is σ = 1481511262560. Its totient is φ = 666680068116.

The previous prime is 1000020102127. The next prime is 1000020102227. The reversal of 1000020102201 is 1022010200001.

It is not a de Polignac number, because 1000020102201 - 2¹⁰ = 1000020101177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000020102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18518890755 + ... + 18518890808.

It is an arithmetic number, because the mean of its divisors is an integer number (185188907820).

Almost surely, 2^{1000020102201} is an apocalyptic number.

It is an amenable number.

1000020102201 is a deficient number, since it is larger than the sum of its proper divisors (481491160359).

1000020102201 is an equidigital number, since it uses as much as digits as its factorization.

1000020102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37037781572 (or 37037781566 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000020102201 its reverse (1022010200001), we get a palindrome (2022030302202).

The spelling of 1000020102201 in words is "one trillion, twenty million, one hundred two thousand, two hundred one".