10203101001 has 24 divisors (see below), whose sum is σ = 15908892480. Its totient is φ = 6281965536.

The previous prime is 10203100997. The next prime is 10203101009. The reversal of 10203101001 is 10010130201.

It is not a de Polignac number, because 10203101001 - 2² = 10203100997 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 (10203101009) 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, 843831 + ... + 855836.

It is an arithmetic number, because the mean of its divisors is an integer number (662870520).

Almost surely, 2^10203101001 is an apocalyptic number.

It is an amenable number.

10203101001 is a deficient number, since it is larger than the sum of its proper divisors (5705791479).

10203101001 is a wasteful number, since it uses less digits than its factorization.

10203101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699725 (or 1699722 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10203101001 its reverse (10010130201), we get a palindrome (20213231202).

The spelling of 10203101001 in words is "ten billion, two hundred three million, one hundred one thousand, one".