105022552621 has 16 divisors (see below), whose sum is σ = 127162773504. Its totient is φ = 84672969984.

The previous prime is 105022552619. The next prime is 105022552627. The reversal of 105022552621 is 126255220501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105022552621 - 2¹ = 105022552619 is a prime.

It is a super-2 number, since 2×105022552621² (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 (105022552627) 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, 67450 + ... + 463243.

It is an arithmetic number, because the mean of its divisors is an integer number (7947673344).

Almost surely, 2^105022552621 is an apocalyptic number.

It is an amenable number.

105022552621 is a deficient number, since it is larger than the sum of its proper divisors (22140220883).

105022552621 is a wasteful number, since it uses less digits than its factorization.

105022552621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532380.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 105022552621 in words is "one hundred five billion, twenty-two million, five hundred fifty-two thousand, six hundred twenty-one".