2212110021120 has 160 divisors (see below), whose sum is σ = 7075672895808. Its totient is φ = 589576224768.

The previous prime is 2212110021103. The next prime is 2212110021157. The reversal of 2212110021120 is 211200112122.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2212110021120.

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, 14261422 + ... + 14415698.

Almost surely, 2^{2212110021120} is an apocalyptic number.

2212110021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212110021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3537836447904).

2212110021120 is an abundant number, since it is smaller than the sum of its proper divisors (4863562874688).

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

2212110021120 is a wasteful number, since it uses less digits than its factorization.

2212110021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156170 (or 156154 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2212110021120 its reverse (211200112122), we get a palindrome (2423310133242).

It can be divided in two parts, 221211002 and 1120, that added together give a palindrome (221212122).

The spelling of 2212110021120 in words is "two trillion, two hundred twelve billion, one hundred ten million, twenty-one thousand, one hundred twenty".