120000111021210 has 128 divisors (see below), whose sum is σ = 331043637450240. Its totient is φ = 27270674436096.

The previous prime is 120000111021191. The next prime is 120000111021227. The reversal of 120000111021210 is 12120111000021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23222374 + ... + 27915566.

It is an arithmetic number, because the mean of its divisors is an integer number (2586278417580).

Almost surely, 2^{120000111021210} is an apocalyptic number.

120000111021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120000111021210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165521818725120).

120000111021210 is an abundant number, since it is smaller than the sum of its proper divisors (211043526429030).

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

120000111021210 is a wasteful number, since it uses less digits than its factorization.

120000111021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693912.

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

Adding to 120000111021210 its reverse (12120111000021), we get a palindrome (132120222021231).

The spelling of 120000111021210 in words is "one hundred twenty trillion, one hundred eleven million, twenty-one thousand, two hundred ten".