120212541111 has 8 divisors (see below), whose sum is σ = 172612879600. Its totient is φ = 73976948352.

The previous prime is 120212541107. The next prime is 120212541139. The reversal of 120212541111 is 111145212021.

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

It is not a de Polignac number, because 120212541111 - 2² = 120212541107 is a prime.

It is a super-2 number, since 2×120212541111² (a number of 23 digits) contains 22 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 (120212541611) 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, 1541186386 + ... + 1541186463.

It is an arithmetic number, because the mean of its divisors is an integer number (21576609950).

Almost surely, 2^120212541111 is an apocalyptic number.

120212541111 is a deficient number, since it is larger than the sum of its proper divisors (52400338489).

120212541111 is a wasteful number, since it uses less digits than its factorization.

120212541111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082372865.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 120212541111 its reverse (111145212021), we get a palindrome (231357753132).

The spelling of 120212541111 in words is "one hundred twenty billion, two hundred twelve million, five hundred forty-one thousand, one hundred eleven".