105100052220 has 72 divisors (see below), whose sum is σ = 318843784896. Its totient is φ = 28023138432.

The previous prime is 105100052219. The next prime is 105100052237. The reversal of 105100052220 is 22250001501.

It is a super-2 number, since 2×105100052220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 105100052193 and 105100052202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1589949 + ... + 1654731.

Almost surely, 2^105100052220 is an apocalyptic number.

105100052220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105100052220 is an abundant number, since it is smaller than the sum of its proper divisors (213743732676).

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

105100052220 is a wasteful number, since it uses less digits than its factorization.

105100052220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73811 (or 73806 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 105100052220 its reverse (22250001501), we get a palindrome (127350053721).

The spelling of 105100052220 in words is "one hundred five billion, one hundred million, fifty-two thousand, two hundred twenty".