210401210104 has 16 divisors (see below), whose sum is σ = 405164493000. Its totient is φ = 102357345312.

The previous prime is 210401210101. The next prime is 210401210113. The reversal of 210401210104 is 401012104012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210401210101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355407154 + ... + 355407745.

Almost surely, 2^210401210104 is an apocalyptic number.

It is an amenable number.

210401210104 is a deficient number, since it is larger than the sum of its proper divisors (194763282896).

210401210104 is a wasteful number, since it uses less digits than its factorization.

210401210104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710814942 (or 710814938 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210401210104 its reverse (401012104012), we get a palindrome (611413314116).

It can be divided in two parts, 2104012 and 10104, that added together give a square (2114116 = 1454²).

The spelling of 210401210104 in words is "two hundred ten billion, four hundred one million, two hundred ten thousand, one hundred four".