10211111100120 has 64 divisors (see below), whose sum is σ = 35009523774720. Its totient is φ = 2333968251264.

The previous prime is 10211111100097. The next prime is 10211111100121. The reversal of 10211111100120 is 2100111111201.

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

It is a junction number, because it is equal to n+sod(n) for n = 10211111100096 and 10211111100105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211111100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6078041482 + ... + 6078043161.

It is an arithmetic number, because the mean of its divisors is an integer number (547023808980).

Almost surely, 2^{10211111100120} is an apocalyptic number.

10211111100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211111100120 is an abundant number, since it is smaller than the sum of its proper divisors (24798412674600).

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

10211111100120 is a wasteful number, since it uses less digits than its factorization.

10211111100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12156084664 (or 12156084660 counting only the distinct ones).

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

Adding to 10211111100120 its reverse (2100111111201), we get a palindrome (12311222211321).

The spelling of 10211111100120 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, one hundred thousand, one hundred twenty".