201202110109 has 16 divisors (see below), whose sum is σ = 270145491840. Its totient is φ = 144720797760.

The previous prime is 201202110103. The next prime is 201202110143. The reversal of 201202110109 is 901011202102.

It is a happy number.

It is not a de Polignac number, because 201202110109 - 2⁹ = 201202109597 is a prime.

It is a super-2 number, since 2×201202110109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202110103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100499554 + ... + 100501555.

It is an arithmetic number, because the mean of its divisors is an integer number (16884093240).

Almost surely, 2^201202110109 is an apocalyptic number.

It is an amenable number.

201202110109 is a deficient number, since it is larger than the sum of its proper divisors (68943381731).

201202110109 is a wasteful number, since it uses less digits than its factorization.

201202110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201001140.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 201202110109 in words is "two hundred one billion, two hundred two million, one hundred ten thousand, one hundred nine".