2120220001120 has 72 divisors (see below), whose sum is σ = 5423968203696. Its totient is φ = 782850451968.

The previous prime is 2120220001103. The next prime is 2120220001121. The reversal of 2120220001120 is 211000220212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 2120220001120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120220001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39178212 + ... + 39232291.

It is an arithmetic number, because the mean of its divisors is an integer number (75332891718).

Almost surely, 2^{2120220001120} is an apocalyptic number.

2120220001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120220001120 is an abundant number, since it is smaller than the sum of its proper divisors (3303748202576).

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

2120220001120 is a wasteful number, since it uses less digits than its factorization.

2120220001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78410544 (or 78410523 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2120220001120 its reverse (211000220212), we get a palindrome (2331220221332).

The spelling of 2120220001120 in words is "two trillion, one hundred twenty billion, two hundred twenty million, one thousand, one hundred twenty".