120011100121111 has 8 divisors (see below), whose sum is σ = 120089016091584. Its totient is φ = 119933209371360.

The previous prime is 120011100121103. The next prime is 120011100121127. The reversal of 120011100121111 is 111121001110021.

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 120011100121111 - 2³ = 120011100121103 is a prime.

It is a super-4 number, since 4×120011100121111⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011100121091 and 120011100121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011101121111) 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, 3219441 + ... + 15823621.

It is an arithmetic number, because the mean of its divisors is an integer number (15011127011448).

Almost surely, 2^{120011100121111} is an apocalyptic number.

120011100121111 is a deficient number, since it is larger than the sum of its proper divisors (77915970473).

120011100121111 is a wasteful number, since it uses less digits than its factorization.

120011100121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610361.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 120011100121111 its reverse (111121001110021), we get a palindrome (231132101231132).

The spelling of 120011100121111 in words is "one hundred twenty trillion, eleven billion, one hundred million, one hundred twenty-one thousand, one hundred eleven".