120254135111 has 16 divisors (see below), whose sum is σ = 136910331648. Its totient is φ = 104553345600.

The previous prime is 120254135069. The next prime is 120254135137. The reversal of 120254135111 is 111531452021.

It is not a de Polignac number, because 120254135111 - 2¹⁴ = 120254118727 is a prime.

It is a super-2 number, since 2×120254135111² (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 (120254135161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1885616 + ... + 1948346.

It is an arithmetic number, because the mean of its divisors is an integer number (8556895728).

Almost surely, 2^120254135111 is an apocalyptic number.

120254135111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120254135111 is a deficient number, since it is larger than the sum of its proper divisors (16656196537).

120254135111 is a wasteful number, since it uses less digits than its factorization.

120254135111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70342.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 120254135111 its reverse (111531452021), we get a palindrome (231785587132).

The spelling of 120254135111 in words is "one hundred twenty billion, two hundred fifty-four million, one hundred thirty-five thousand, one hundred eleven".