201021310104 has 16 divisors (see below), whose sum is σ = 502553275320. Its totient is φ = 67007103360.

The previous prime is 201021310081. The next prime is 201021310109. The reversal of 201021310104 is 401013120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021310109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4187943937 + ... + 4187943984.

Almost surely, 2^201021310104 is an apocalyptic number.

201021310104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201021310104 is an abundant number, since it is smaller than the sum of its proper divisors (301531965216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201021310104 is a wasteful number, since it uses less digits than its factorization.

201021310104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8375887930 (or 8375887926 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201021310104 its reverse (401013120102), we get a palindrome (602034430206).

The spelling of 201021310104 in words is "two hundred one billion, twenty-one million, three hundred ten thousand, one hundred four".