6621201105 has 16 divisors (see below), whose sum is σ = 10739045760. Its totient is φ = 3482932608.

The previous prime is 6621201101. The next prime is 6621201109. The reversal of 6621201105 is 5011021266.

It is an interprime number because it is at equal distance from previous prime (6621201101) and next prime (6621201109).

It is not a de Polignac number, because 6621201105 - 2² = 6621201101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6621201101) 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, 3022285 + ... + 3024474.

It is an arithmetic number, because the mean of its divisors is an integer number (671190360).

Almost surely, 2^6621201105 is an apocalyptic number.

It is an amenable number.

6621201105 is a deficient number, since it is larger than the sum of its proper divisors (4117844655).

6621201105 is a wasteful number, since it uses less digits than its factorization.

6621201105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046840.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 6621201105 is about 81370.7632076780. The cubic root of 6621201105 is about 1877.7838214238.

The spelling of 6621201105 in words is "six billion, six hundred twenty-one million, two hundred one thousand, one hundred five".