120121211222 has 4 divisors (see below), whose sum is σ = 180181816836. Its totient is φ = 60060605610.

The previous prime is 120121211167. The next prime is 120121211317. The reversal of 120121211222 is 222112121021.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120121211222.

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, 30030302804 + ... + 30030302807.

It is an arithmetic number, because the mean of its divisors is an integer number (45045454209).

Almost surely, 2^120121211222 is an apocalyptic number.

120121211222 is a deficient number, since it is larger than the sum of its proper divisors (60060605614).

120121211222 is an equidigital number, since it uses as much as digits as its factorization.

120121211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60060605613.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120121211222 its reverse (222112121021), we get a palindrome (342233332243).

The spelling of 120121211222 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred eleven thousand, two hundred twenty-two".