1000020101203 has 8 divisors (see below), whose sum is σ = 1004166793728. Its totient is φ = 995881407744.

The previous prime is 1000020101191. The next prime is 1000020101209. The reversal of 1000020101203 is 3021010200001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000020101203 - 2⁹ = 1000020100691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000020101203.

It is not an unprimeable number, because it can be changed into a prime (1000020101209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749150 + ... + 2249347.

It is an arithmetic number, because the mean of its divisors is an integer number (125520849216).

Almost surely, 2^{1000020101203} is an apocalyptic number.

1000020101203 is a deficient number, since it is larger than the sum of its proper divisors (4146692525).

1000020101203 is an equidigital number, since it uses as much as digits as its factorization.

1000020101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999533.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1000020101203 its reverse (3021010200001), we get a palindrome (4021030301204).

The spelling of 1000020101203 in words is "one trillion, twenty million, one hundred one thousand, two hundred three".