120212220220111 has 4 divisors (see below), whose sum is σ = 120281989357192. Its totient is φ = 120142451083032.

The previous prime is 120212220220109. The next prime is 120212220220123. The reversal of 120212220220111 is 111022022212021.

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

It is a cyclic number.

It is not a de Polignac number, because 120212220220111 - 2¹ = 120212220220109 is a prime.

It is a super-2 number, since 2×120212220220111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212220220181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34884565956 + ... + 34884569401.

It is an arithmetic number, because the mean of its divisors is an integer number (30070497339298).

Almost surely, 2^{120212220220111} is an apocalyptic number.

120212220220111 is a deficient number, since it is larger than the sum of its proper divisors (69769137081).

120212220220111 is an equidigital number, since it uses as much as digits as its factorization.

120212220220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69769137080.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120212220220111 its reverse (111022022212021), we get a palindrome (231234242432132).

The spelling of 120212220220111 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty thousand, one hundred eleven".