105011122155 has 8 divisors (see below), whose sum is σ = 168017795472. Its totient is φ = 56005931808.

The previous prime is 105011122129. The next prime is 105011122159. The reversal of 105011122155 is 551221110501.

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

It is not a de Polignac number, because 105011122155 - 2⁶ = 105011122091 is a prime.

It is a super-2 number, since 2×105011122155² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105011122159) 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, 3500370724 + ... + 3500370753.

It is an arithmetic number, because the mean of its divisors is an integer number (21002224434).

Almost surely, 2^105011122155 is an apocalyptic number.

105011122155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105011122155 is a deficient number, since it is larger than the sum of its proper divisors (63006673317).

105011122155 is an equidigital number, since it uses as much as digits as its factorization.

105011122155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000741485.

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 105011122155 its reverse (551221110501), we get a palindrome (656232232656).

The spelling of 105011122155 in words is "one hundred five billion, eleven million, one hundred twenty-two thousand, one hundred fifty-five".