120211220121222 has 16 divisors (see below), whose sum is σ = 240422667347952. Its totient is φ = 40070368856160.

The previous prime is 120211220121221. The next prime is 120211220121269. The reversal of 120211220121222 is 222121022112021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211220121221) by changing a digit.

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, 2146453 + ... + 15653424.

It is an arithmetic number, because the mean of its divisors is an integer number (15026416709247).

Almost surely, 2^{120211220121222} is an apocalyptic number.

120211220121222 is an abundant number, since it is smaller than the sum of its proper divisors (120211447226730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120211220121222 is a wasteful number, since it uses less digits than its factorization.

120211220121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18925463.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120211220121222 its reverse (222121022112021), we get a palindrome (342332242233243).

The spelling of 120211220121222 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".