2120110120220 has 24 divisors (see below), whose sum is σ = 4536235617984. Its totient is φ = 832043216576.

The previous prime is 2120110120151. The next prime is 2120110120229. The reversal of 2120110120220 is 220210110212.

It is a junction number, because it is equal to n+sod(n) for n = 2120110120195 and 2120110120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120110120229) 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, 1000050884 + ... + 1000053003.

It is an arithmetic number, because the mean of its divisors is an integer number (189009817416).

Almost surely, 2^{2120110120220} is an apocalyptic number.

2120110120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120110120220 is an abundant number, since it is smaller than the sum of its proper divisors (2416125497764).

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

2120110120220 is a wasteful number, since it uses less digits than its factorization.

2120110120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000103949 (or 2000103947 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120110120220 its reverse (220210110212), we get a palindrome (2340320230432).

The spelling of 2120110120220 in words is "two trillion, one hundred twenty billion, one hundred ten million, one hundred twenty thousand, two hundred twenty".