106222421561 has 8 divisors (see below), whose sum is σ = 107317890240. Its totient is φ = 105129152208.

The previous prime is 106222421551. The next prime is 106222421609. The reversal of 106222421561 is 165124222601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106222421561 is a prime.

It is a super-2 number, since 2×106222421561² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106222421521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452651 + ... + 646016.

It is an arithmetic number, because the mean of its divisors is an integer number (13414736280).

Almost surely, 2^106222421561 is an apocalyptic number.

It is an amenable number.

106222421561 is a deficient number, since it is larger than the sum of its proper divisors (1095468679).

106222421561 is a wasteful number, since it uses less digits than its factorization.

106222421561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099663.

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

The spelling of 106222421561 in words is "one hundred six billion, two hundred twenty-two million, four hundred twenty-one thousand, five hundred sixty-one".