11212120101000 has 1024 divisors, whose sum is σ = 44517068144640. Its totient is φ = 2286144000000.

The previous prime is 11212120100953. The next prime is 11212120101041. The reversal of 11212120101000 is 10102121211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1525247325 + ... + 1525254675.

It is an arithmetic number, because the mean of its divisors is an integer number (43473699360).

Almost surely, 2^{11212120101000} is an apocalyptic number.

11212120101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212120101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22258534072320).

11212120101000 is an abundant number, since it is smaller than the sum of its proper divisors (33304948043640).

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

11212120101000 is a wasteful number, since it uses less digits than its factorization.

11212120101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11212120101000 its reverse (10102121211), we get a palindrome (11222222222211).

The spelling of 11212120101000 in words is "eleven trillion, two hundred twelve billion, one hundred twenty million, one hundred one thousand".