120101021122 has 4 divisors (see below), whose sum is σ = 180151531686. Its totient is φ = 60050510560.

The previous prime is 120101021119. The next prime is 120101021123. The reversal of 120101021122 is 221120101021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221120101021 = 337 ⋅656142733.

It can be written as a sum of positive squares in only one way, i.e., 117869309041 + 2231712081 = 343321^2 + 47241^2 .

It is not an unprimeable number, because it can be changed into a prime (120101021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30025255279 + ... + 30025255282.

Almost surely, 2^120101021122 is an apocalyptic number.

120101021122 is a deficient number, since it is larger than the sum of its proper divisors (60050510564).

120101021122 is an equidigital number, since it uses as much as digits as its factorization.

120101021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60050510563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120101021122 its reverse (221120101021), we get a palindrome (341221122143).

The spelling of 120101021122 in words is "one hundred twenty billion, one hundred one million, twenty-one thousand, one hundred twenty-two".