120100100222122 has 16 divisors (see below), whose sum is σ = 183103858431144. Its totient is φ = 59065485336000.

The previous prime is 120100100222057. The next prime is 120100100222147. The reversal of 120100100222122 is 221222001001021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60970782607641 + 59129317614481 = 7808379^2 + 7689559^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120100100222096 and 120100100222105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68777872 + ... + 70502452.

Almost surely, 2^{120100100222122} is an apocalyptic number.

120100100222122 is a deficient number, since it is larger than the sum of its proper divisors (63003758209022).

120100100222122 is a wasteful number, since it uses less digits than its factorization.

120100100222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295465.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120100100222122 its reverse (221222001001021), we get a palindrome (341322101223143).

The spelling of 120100100222122 in words is "one hundred twenty trillion, one hundred billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-two".