120001010221111 has 8 divisors (see below), whose sum is σ = 127901349424224. Its totient is φ = 112194166156800.

The previous prime is 120001010221093. The next prime is 120001010221117. The reversal of 120001010221111 is 111122010100021.

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 120001010221111 - 2⁷ = 120001010220983 is a prime.

It is a super-4 number, since 4×120001010221111⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001010221091 and 120001010221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001010221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23373782050 + ... + 23373787183.

It is an arithmetic number, because the mean of its divisors is an integer number (15987668678028).

Almost surely, 2^{120001010221111} is an apocalyptic number.

120001010221111 is a deficient number, since it is larger than the sum of its proper divisors (7900339203113).

120001010221111 is a wasteful number, since it uses less digits than its factorization.

120001010221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46747569401.

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

Adding to 120001010221111 its reverse (111122010100021), we get a palindrome (231123020321132).

The spelling of 120001010221111 in words is "one hundred twenty trillion, one billion, ten million, two hundred twenty-one thousand, one hundred eleven".