11212122201204 has 24 divisors (see below), whose sum is σ = 26175556518048. Its totient is φ = 3735382917280.

The previous prime is 11212122201179. The next prime is 11212122201233. The reversal of 11212122201204 is 40210222121211.

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, 248870262 + ... + 248915309.

It is an arithmetic number, because the mean of its divisors is an integer number (1090648188252).

Almost surely, 2^{11212122201204} is an apocalyptic number.

It is an amenable number.

11212122201204 is an abundant number, since it is smaller than the sum of its proper divisors (14963434316844).

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

11212122201204 is a wasteful number, since it uses less digits than its factorization.

11212122201204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497787455 (or 497787453 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11212122201204 its reverse (40210222121211), we get a palindrome (51422344322415).

The spelling of 11212122201204 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-two million, two hundred one thousand, two hundred four".