202103000001 has 12 divisors (see below), whose sum is σ = 333630349312. Its totient is φ = 115487428536.

The previous prime is 202102999999. The next prime is 202103000023. The reversal of 202103000001 is 100000301202.

It is a happy number.

It is not a de Polignac number, because 202103000001 - 2¹ = 202102999999 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202103000041) 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, 1603992001 + ... + 1603992126.

Almost surely, 2^202103000001 is an apocalyptic number.

202103000001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202103000001 is a deficient number, since it is larger than the sum of its proper divisors (131527349311).

202103000001 is a wasteful number, since it uses less digits than its factorization.

202103000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207984140 (or 3207984137 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 202103000001 its reverse (100000301202), we get a palindrome (302103301203).

The spelling of 202103000001 in words is "two hundred two billion, one hundred three million, one", and thus it is an aban number.