120211110122122 has 4 divisors (see below), whose sum is σ = 180316665183186. Its totient is φ = 60105555061060.

The previous prime is 120211110122119. The next prime is 120211110122141. The reversal of 120211110122122 is 221221011112021.

It is a happy number.

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., 103092526595601 + 17118583526521 = 10153449^2 + 4137461^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120211110122122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30052777530529 + ... + 30052777530532.

Almost surely, 2^{120211110122122} is an apocalyptic number.

120211110122122 is a deficient number, since it is larger than the sum of its proper divisors (60105555061064).

120211110122122 is an equidigital number, since it uses as much as digits as its factorization.

120211110122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60105555061063.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120211110122122 its reverse (221221011112021), we get a palindrome (341432121234143).

The spelling of 120211110122122 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty-two".