2120220110 has 16 divisors (see below), whose sum is σ = 4040890416. Its totient is φ = 798200448.

The previous prime is 2120220101. The next prime is 2120220119. The reversal of 2120220110 is 110220212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120220101) and next prime (2120220119).

It is a junction number, because it is equal to n+sod(n) for n = 2120220091 and 2120220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120220119) 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, 6235772 + ... + 6236111.

It is an arithmetic number, because the mean of its divisors is an integer number (252555651).

Almost surely, 2^2120220110 is an apocalyptic number.

2120220110 is a deficient number, since it is larger than the sum of its proper divisors (1920670306).

2120220110 is a wasteful number, since it uses less digits than its factorization.

2120220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12471907.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2120220110 is about 46045.8479127054. The cubic root of 2120220110 is about 1284.6761153365.

Adding to 2120220110 its reverse (110220212), we get a palindrome (2230440322).

The spelling of 2120220110 in words is "two billion, one hundred twenty million, two hundred twenty thousand, one hundred ten".