2120420301122 has 16 divisors (see below), whose sum is σ = 3320493679800. Its totient is φ = 1014259881600.

The previous prime is 2120420301121. The next prime is 2120420301221. The reversal of 2120420301122 is 2211030240212.

It can be written as a sum of positive squares in 4 ways, for example, as 1977626250961 + 142794050161 = 1406281^2 + 377881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120420301094 and 2120420301103.

It is not an unprimeable number, because it can be changed into a prime (2120420301121) 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, 167695379 + ... + 167708022.

Almost surely, 2^{2120420301122} is an apocalyptic number.

2120420301122 is a deficient number, since it is larger than the sum of its proper divisors (1200073378678).

2120420301122 is a wasteful number, since it uses less digits than its factorization.

2120420301122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335403541.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2120420301122 its reverse (2211030240212), we get a palindrome (4331450541334).

The spelling of 2120420301122 in words is "two trillion, one hundred twenty billion, four hundred twenty million, three hundred one thousand, one hundred twenty-two".