120001100222 has 4 divisors (see below), whose sum is σ = 180001650336. Its totient is φ = 60000550110.

The previous prime is 120001100213. The next prime is 120001100237. The reversal of 120001100222 is 222001100021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222001100021 = 271 ⋅819192251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30000275054 + ... + 30000275057.

It is an arithmetic number, because the mean of its divisors is an integer number (45000412584).

Almost surely, 2^120001100222 is an apocalyptic number.

120001100222 is a deficient number, since it is larger than the sum of its proper divisors (60000550114).

120001100222 is an equidigital number, since it uses as much as digits as its factorization.

120001100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60000550113.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120001100222 its reverse (222001100021), we get a palindrome (342002200243).

The spelling of 120001100222 in words is "one hundred twenty billion, one million, one hundred thousand, two hundred twenty-two".