201123240202 has 32 divisors (see below), whose sum is σ = 314588514240. Its totient is φ = 96377402880.

The previous prime is 201123240191. The next prime is 201123240233. The reversal of 201123240202 is 202042321102.

It is a self number, because there is not a number n which added to its sum of digits gives 201123240202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635752 + ... + 898012.

It is an arithmetic number, because the mean of its divisors is an integer number (9830891070).

Almost surely, 2^201123240202 is an apocalyptic number.

201123240202 is a deficient number, since it is larger than the sum of its proper divisors (113465274038).

201123240202 is a wasteful number, since it uses less digits than its factorization.

201123240202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262486.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201123240202 its reverse (202042321102), we get a palindrome (403165561304).

The spelling of 201123240202 in words is "two hundred one billion, one hundred twenty-three million, two hundred forty thousand, two hundred two".