210000111102120 has 64 divisors (see below), whose sum is σ = 645366195109440. Its totient is φ = 54634175244800.

The previous prime is 210000111102101. The next prime is 210000111102239. The reversal of 210000111102120 is 21201111000012.

It is a super-3 number, since 3×210000111102120³ (a number of 44 digits) contains 333 as substring.

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 = 210000111102096 and 210000111102105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21341469786 + ... + 21341479625.

It is an arithmetic number, because the mean of its divisors is an integer number (10083846798585).

Almost surely, 2^{210000111102120} is an apocalyptic number.

210000111102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210000111102120 is an abundant number, since it is smaller than the sum of its proper divisors (435366084007320).

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

210000111102120 is a wasteful number, since it uses less digits than its factorization.

210000111102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42682949466 (or 42682949462 counting only the distinct ones).

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

Adding to 210000111102120 its reverse (21201111000012), we get a palindrome (231201222102132).

The spelling of 210000111102120 in words is "two hundred ten trillion, one hundred eleven million, one hundred two thousand, one hundred twenty".