120100100222222 has 32 divisors (see below), whose sum is σ = 186953381904384. Its totient is φ = 57803031230400.

The previous prime is 120100100222159. The next prime is 120100100222279. The reversal of 120100100222222 is 222222001001021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120100100222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121634843 + ... + 122618249.

It is an arithmetic number, because the mean of its divisors is an integer number (5842293184512).

Almost surely, 2^{120100100222222} is an apocalyptic number.

120100100222222 is a deficient number, since it is larger than the sum of its proper divisors (66853281682162).

120100100222222 is a wasteful number, since it uses less digits than its factorization.

120100100222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993944.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120100100222222 its reverse (222222001001021), we get a palindrome (342322101223243).

The spelling of 120100100222222 in words is "one hundred twenty trillion, one hundred billion, one hundred million, two hundred twenty-two thousand, two hundred twenty-two".