120000211111 has 8 divisors (see below), whose sum is σ = 130939894800. Its totient is φ = 109065623040.

The previous prime is 120000211087. The next prime is 120000211117. The reversal of 120000211111 is 111112000021.

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

It is not a de Polignac number, because 120000211111 - 2⁹ = 120000210599 is a prime.

It is a super-3 number, since 3×120000211111³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000211117) 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, 1224576 + ... + 1318933.

It is an arithmetic number, because the mean of its divisors is an integer number (16367486850).

Almost surely, 2^120000211111 is an apocalyptic number.

120000211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120000211111 is a deficient number, since it is larger than the sum of its proper divisors (10939683689).

120000211111 is a wasteful number, since it uses less digits than its factorization.

120000211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547809.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120000211111 its reverse (111112000021), we get a palindrome (231112211132).

It can be divided in two parts, 12000021 and 1111, that multiplied together give a palindrome (13332023331).

The spelling of 120000211111 in words is "one hundred twenty billion, two hundred eleven thousand, one hundred eleven".