11212101204 has 24 divisors (see below), whose sum is σ = 27005491968. Its totient is φ = 3616806720.

The previous prime is 11212101169. The next prime is 11212101209. The reversal of 11212101204 is 40210121211.

It is a super-2 number, since 2×11212101204² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212101209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15069657 + ... + 15070400.

It is an arithmetic number, because the mean of its divisors is an integer number (1125228832).

Almost surely, 2^11212101204 is an apocalyptic number.

It is an amenable number.

11212101204 is an abundant number, since it is smaller than the sum of its proper divisors (15793390764).

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

11212101204 is a wasteful number, since it uses less digits than its factorization.

11212101204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30140095 (or 30140093 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212101204 its reverse (40210121211), we get a palindrome (51422222415).

The spelling of 11212101204 in words is "eleven billion, two hundred twelve million, one hundred one thousand, two hundred four".