11212111011000 has 128 divisors (see below), whose sum is σ = 34984070372160. Its totient is φ = 2989701056000.

The previous prime is 11212111010993. The next prime is 11212111011011. The reversal of 11212111011000 is 11011121211.

It is a super-2 number, since 2×11212111011000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49149202 + ... + 49376798.

Almost surely, 2^{11212111011000} is an apocalyptic number.

11212111011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212111011000 is an abundant number, since it is smaller than the sum of its proper divisors (23771959361160).

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

11212111011000 is a wasteful number, since it uses less digits than its factorization.

11212111011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244042 (or 244028 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11212111011000 its reverse (11011121211), we get a palindrome (11223122132211).

The spelling of 11212111011000 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, eleven thousand".