105621106424 has 32 divisors (see below), whose sum is σ = 199829617920. Its totient is φ = 52335079776.

The previous prime is 105621106421. The next prime is 105621106453. The reversal of 105621106424 is 424601126501.

It is a super-2 number, since 2×105621106424² (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 (105621106421) 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, 335777 + ... + 569199.

It is an arithmetic number, because the mean of its divisors is an integer number (6244675560).

Almost surely, 2^105621106424 is an apocalyptic number.

It is an amenable number.

105621106424 is a deficient number, since it is larger than the sum of its proper divisors (94208511496).

105621106424 is a wasteful number, since it uses less digits than its factorization.

105621106424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233939 (or 233935 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 105621106424 in words is "one hundred five billion, six hundred twenty-one million, one hundred six thousand, four hundred twenty-four".