11202112121202 has 64 divisors (see below), whose sum is σ = 24913384876800. Its totient is φ = 3731068189440.

The previous prime is 11202112121197. The next prime is 11202112121209. The reversal of 11202112121202 is 20212121120211.

11202112121202 is a `hidden beast` number, since 1 + 120 + 211 + 212 + 120 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11202112121209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419368627 + ... + 419395337.

It is an arithmetic number, because the mean of its divisors is an integer number (389271638700).

Almost surely, 2^{11202112121202} is an apocalyptic number.

11202112121202 is an abundant number, since it is smaller than the sum of its proper divisors (13711272755598).

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

11202112121202 is a wasteful number, since it uses less digits than its factorization.

11202112121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32608 (or 32602 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11202112121202 its reverse (20212121120211), we get a palindrome (31414233241413).

The spelling of 11202112121202 in words is "eleven trillion, two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred two".