2120221122 has 8 divisors (see below), whose sum is σ = 4240442256. Its totient is φ = 706740372.

The previous prime is 2120221073. The next prime is 2120221123. The reversal of 2120221122 is 2211220212.

It is a sphenic number, since it is the product of 3 distinct primes.

2120221122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2120221123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176685088 + ... + 176685099.

It is an arithmetic number, because the mean of its divisors is an integer number (530055282).

Almost surely, 2^2120221122 is an apocalyptic number.

2120221122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2120221122 is a wasteful number, since it uses less digits than its factorization.

2120221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353370192.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2120221122 is about 46045.8589017514. The cubic root of 2120221122 is about 1284.6763197323.

Adding to 2120221122 its reverse (2211220212), we get a palindrome (4331441334).

It can be divided in two parts, 21202 and 21122, that added together give a palindrome (42324).

The spelling of 2120221122 in words is "two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".