10012211111100 has 288 divisors, whose sum is σ = 32598113587200. Its totient is φ = 2351283379200.

The previous prime is 10012211111083. The next prime is 10012211111129. The reversal of 10012211111100 is 111111221001.

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 95 ways as a sum of consecutive naturals, for example, 27781861 + ... + 28139939.

It is an arithmetic number, because the mean of its divisors is an integer number (113187894400).

Almost surely, 2^{10012211111100} is an apocalyptic number.

10012211111100 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 10012211111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16299056793600).

10012211111100 is an abundant number, since it is smaller than the sum of its proper divisors (22585902476100).

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

10012211111100 is a wasteful number, since it uses less digits than its factorization.

10012211111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358373 (or 358366 counting only the distinct ones).

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

Adding to 10012211111100 its reverse (111111221001), we get a palindrome (10123322332101).

It can be divided in two parts, 10012 and 211111100, that added together give a palindrome (211121112).

The spelling of 10012211111100 in words is "ten trillion, twelve billion, two hundred eleven million, one hundred eleven thousand, one hundred".