120101220122 has 16 divisors (see below), whose sum is σ = 194019908040. Its totient is φ = 55428405312.

The previous prime is 120101220103. The next prime is 120101220149. The reversal of 120101220122 is 221022101021.

It can be written as a sum of positive squares in 4 ways, for example, as 79095375121 + 41005845001 = 281239^2 + 202499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120101220097 and 120101220106.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 426404 + ... + 649632.

Almost surely, 2^120101220122 is an apocalyptic number.

120101220122 is a deficient number, since it is larger than the sum of its proper divisors (73918687918).

120101220122 is a wasteful number, since it uses less digits than its factorization.

120101220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243937.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120101220122 its reverse (221022101021), we get a palindrome (341123321143).

The spelling of 120101220122 in words is "one hundred twenty billion, one hundred one million, two hundred twenty thousand, one hundred twenty-two".