1010020202001 has 24 divisors (see below), whose sum is σ = 1493038747200. Its totient is φ = 657602832096.

The previous prime is 1010020201999. The next prime is 1010020202011. The reversal of 1010020202001 is 1002020200101.

1010020202001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1010020202001 - 2¹ = 1010020201999 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 (1010020202011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2912100 + ... + 3240426.

It is an arithmetic number, because the mean of its divisors is an integer number (62209947800).

Almost surely, 2^{1010020202001} is an apocalyptic number.

It is an amenable number.

1010020202001 is a deficient number, since it is larger than the sum of its proper divisors (483018545199).

1010020202001 is a wasteful number, since it uses less digits than its factorization.

1010020202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336325 (or 336322 counting only the distinct ones).

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

Adding to 1010020202001 its reverse (1002020200101), we get a palindrome (2012040402102).

The spelling of 1010020202001 in words is "one trillion, ten billion, twenty million, two hundred two thousand, one".