105138044022 has 32 divisors (see below), whose sum is σ = 230125023360. Its totient is φ = 31758217920.

The previous prime is 105138044021. The next prime is 105138044029. The reversal of 105138044022 is 220440831501.

It is a super-2 number, since 2×105138044022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105138044021) 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, 2524072 + ... + 2565387.

It is an arithmetic number, because the mean of its divisors is an integer number (7191406980).

Almost surely, 2^105138044022 is an apocalyptic number.

105138044022 is an abundant number, since it is smaller than the sum of its proper divisors (124986979338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105138044022 is a wasteful number, since it uses less digits than its factorization.

105138044022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089788.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 105138044022 its reverse (220440831501), we get a palindrome (325578875523).

The spelling of 105138044022 in words is "one hundred five billion, one hundred thirty-eight million, forty-four thousand, twenty-two".