103211001 has 12 divisors (see below), whose sum is σ = 151610160. Its totient is φ = 67640760.

The previous prime is 103210999. The next prime is 103211027. The reversal of 103211001 is 100112301.

It is not a de Polignac number, because 103211001 - 2¹ = 103210999 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 (103211041) 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, 96655 + ... + 97716.

It is an arithmetic number, because the mean of its divisors is an integer number (12634180).

Almost surely, 2^103211001 is an apocalyptic number.

It is an amenable number.

103211001 is a deficient number, since it is larger than the sum of its proper divisors (48399159).

103211001 is a wasteful number, since it uses less digits than its factorization.

103211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194436 (or 194433 counting only the distinct ones).

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

The square root of 103211001 is about 10159.2815198714. The cubic root of 103211001 is about 469.0746861963.

Adding to 103211001 its reverse (100112301), we get a palindrome (203323302).

The spelling of 103211001 in words is "one hundred three million, two hundred eleven thousand, one".