211110020100120 has 64 divisors (see below), whose sum is σ = 666663221376000. Its totient is φ = 53333057708928.

The previous prime is 211110020100079. The next prime is 211110020100127. The reversal of 211110020100120 is 21001020011112.

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 = 211110020100096 and 211110020100105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211110020100127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46296054760 + ... + 46296059319.

It is an arithmetic number, because the mean of its divisors is an integer number (10416612834000).

Almost surely, 2^{211110020100120} is an apocalyptic number.

211110020100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211110020100120 is an abundant number, since it is smaller than the sum of its proper divisors (455553201275880).

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

211110020100120 is a wasteful number, since it uses less digits than its factorization.

211110020100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92592114112 (or 92592114108 counting only the distinct ones).

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

Adding to 211110020100120 its reverse (21001020011112), we get a palindrome (232111040111232).

The spelling of 211110020100120 in words is "two hundred eleven trillion, one hundred ten billion, twenty million, one hundred thousand, one hundred twenty".