120211222122122 has 4 divisors (see below), whose sum is σ = 180316833183186. Its totient is φ = 60105611061060.

The previous prime is 120211222122113. The next prime is 120211222122133. The reversal of 120211222122122 is 221221222112021.

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

It can be written as a sum of positive squares in only one way, i.e., 114098949887521 + 6112272234601 = 10681711^2 + 2472301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30052805530529 + ... + 30052805530532.

Almost surely, 2^{120211222122122} is an apocalyptic number.

120211222122122 is a deficient number, since it is larger than the sum of its proper divisors (60105611061064).

120211222122122 is an equidigital number, since it uses as much as digits as its factorization.

120211222122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60105611061063.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 120211222122122 its reverse (221221222112021), we get a palindrome (341432444234143).

The spelling of 120211222122122 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".