120102011221111 has 4 divisors (see below), whose sum is σ = 120106552138000. Its totient is φ = 120097470304224.

The previous prime is 120102011221069. The next prime is 120102011221117. The reversal of 120102011221111 is 111122110201021.

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 120102011221111 - 2²⁹ = 120101474350199 is a prime.

It is a super-3 number, since 3×120102011221111³ (a number of 43 digits) contains 333 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 (120102011221117) 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, 2270418771 + ... + 2270471668.

It is an arithmetic number, because the mean of its divisors is an integer number (30026638034500).

Almost surely, 2^{120102011221111} is an apocalyptic number.

120102011221111 is a deficient number, since it is larger than the sum of its proper divisors (4540916889).

120102011221111 is an equidigital number, since it uses as much as digits as its factorization.

120102011221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540916888.

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

Adding to 120102011221111 its reverse (111122110201021), we get a palindrome (231224121422132).

The spelling of 120102011221111 in words is "one hundred twenty trillion, one hundred two billion, eleven million, two hundred twenty-one thousand, one hundred eleven".