120121112211 has 8 divisors (see below), whose sum is σ = 160193812944. Its totient is φ = 80064576480.

The previous prime is 120121112171. The next prime is 120121112233. The reversal of 120121112211 is 112211121021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120121112211 - 2⁶ = 120121112147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121112411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4023900 + ... + 4053641.

It is an arithmetic number, because the mean of its divisors is an integer number (20024226618).

Almost surely, 2^120121112211 is an apocalyptic number.

120121112211 is a deficient number, since it is larger than the sum of its proper divisors (40072700733).

120121112211 is an equidigital number, since it uses as much as digits as its factorization.

120121112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082501.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120121112211 its reverse (112211121021), we get a palindrome (232332233232).

The spelling of 120121112211 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, two hundred eleven".