105061020110221 has 24 divisors (see below), whose sum is σ = 125574927301824. Its totient is φ = 87593091707520.

The previous prime is 105061020110219. The next prime is 105061020110227. The reversal of 105061020110221 is 122011020160501.

It is not a de Polignac number, because 105061020110221 - 2¹ = 105061020110219 is a prime.

It is a super-2 number, since 2×105061020110221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105061020110192 and 105061020110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105061020110227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102942105 + ... + 103957678.

It is an arithmetic number, because the mean of its divisors is an integer number (5232288637576).

Almost surely, 2^{105061020110221} is an apocalyptic number.

It is an amenable number.

105061020110221 is a deficient number, since it is larger than the sum of its proper divisors (20513907191603).

105061020110221 is a wasteful number, since it uses less digits than its factorization.

105061020110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206900081 (or 206900074 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 105061020110221 its reverse (122011020160501), we get a palindrome (227072040270722).

The spelling of 105061020110221 in words is "one hundred five trillion, sixty-one billion, twenty million, one hundred ten thousand, two hundred twenty-one".