201102310205 has 8 divisors (see below), whose sum is σ = 241435711032. Its totient is φ = 160806555648.

The previous prime is 201102310193. The next prime is 201102310217. The reversal of 201102310205 is 502013201102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201102310193) and next prime (201102310217).

It can be written as a sum of positive squares in 4 ways, for example, as 20012912089 + 181089398116 = 141467^2 + 425546^2 .

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 201102310205 - 2⁶ = 201102310141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9399812 + ... + 9421181.

It is an arithmetic number, because the mean of its divisors is an integer number (30179463879).

Almost surely, 2^201102310205 is an apocalyptic number.

It is an amenable number.

201102310205 is a deficient number, since it is larger than the sum of its proper divisors (40333400827).

201102310205 is a wasteful number, since it uses less digits than its factorization.

201102310205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18823135.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 201102310205 its reverse (502013201102), we get a palindrome (703115511307).

The spelling of 201102310205 in words is "two hundred one billion, one hundred two million, three hundred ten thousand, two hundred five".