120221101111 has 8 divisors (see below), whose sum is σ = 121229700480. Its totient is φ = 119215939128.

The previous prime is 120221101097. The next prime is 120221101141. The reversal of 120221101111 is 111101122021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120221101111 - 2⁷ = 120221100983 is a prime.

It is a super-2 number, since 2×120221101111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120221101091 and 120221101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221101141) 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, 789081 + ... + 929026.

It is an arithmetic number, because the mean of its divisors is an integer number (15153712560).

Almost surely, 2^120221101111 is an apocalyptic number.

120221101111 is a deficient number, since it is larger than the sum of its proper divisors (1008599369).

120221101111 is a wasteful number, since it uses less digits than its factorization.

120221101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718693.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120221101111 its reverse (111101122021), we get a palindrome (231322223132).

The spelling of 120221101111 in words is "one hundred twenty billion, two hundred twenty-one million, one hundred one thousand, one hundred eleven".