105562061221 has 16 divisors (see below), whose sum is σ = 117667814400. Its totient is φ = 94112644608.

The previous prime is 105562061203. The next prime is 105562061239. The reversal of 105562061221 is 122160265501.

It is an interprime number because it is at equal distance from previous prime (105562061203) and next prime (105562061239).

It is a cyclic number.

It is not a de Polignac number, because 105562061221 - 2⁷ = 105562061093 is a prime.

It is a super-2 number, since 2×105562061221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105562061321) 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, 4432281 + ... + 4456033.

It is an arithmetic number, because the mean of its divisors is an integer number (7354238400).

Almost surely, 2^105562061221 is an apocalyptic number.

It is an amenable number.

105562061221 is a deficient number, since it is larger than the sum of its proper divisors (12105753179).

105562061221 is a wasteful number, since it uses less digits than its factorization.

105562061221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37548.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 105562061221 in words is "one hundred five billion, five hundred sixty-two million, sixty-one thousand, two hundred twenty-one".