2120220022210 has 32 divisors (see below), whose sum is σ = 3838519247472. Its totient is φ = 843177123840.

The previous prime is 2120220022201. The next prime is 2120220022213. The reversal of 2120220022210 is 122200220212.

It can be written as a sum of positive squares in 8 ways, for example, as 20946483441 + 2099273538769 = 144729^2 + 1448887^2 .

It is not an unprimeable number, because it can be changed into a prime (2120220022213) 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 15 ways as a sum of consecutive naturals, for example, 2823870 + ... + 3494950.

Almost surely, 2^{2120220022210} is an apocalyptic number.

2120220022210 is a deficient number, since it is larger than the sum of its proper divisors (1718299225262).

2120220022210 is a wasteful number, since it uses less digits than its factorization.

2120220022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672918.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2120220022210 its reverse (122200220212), we get a palindrome (2242420242422).

The spelling of 2120220022210 in words is "two trillion, one hundred twenty billion, two hundred twenty million, twenty-two thousand, two hundred ten".