210120001120 has 48 divisors (see below), whose sum is σ = 513526048560. Its totient is φ = 81149791744.

The previous prime is 210120001103. The next prime is 210120001123. The reversal of 210120001120 is 21100021012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210120001097 and 210120001106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120001123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22637602 + ... + 22646881.

It is an arithmetic number, because the mean of its divisors is an integer number (10698459345).

Almost surely, 2^210120001120 is an apocalyptic number.

210120001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210120001120 is an abundant number, since it is smaller than the sum of its proper divisors (303406047440).

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

210120001120 is a wasteful number, since it uses less digits than its factorization.

210120001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45284527 (or 45284519 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210120001120 its reverse (21100021012), we get a palindrome (231220022132).

The spelling of 210120001120 in words is "two hundred ten billion, one hundred twenty million, one thousand, one hundred twenty".