21110201220107 has 8 divisors (see below), whose sum is σ = 21134541264672. Its totient is φ = 21085873603200.

The previous prime is 21110201220049. The next prime is 21110201220127. The reversal of 21110201220107 is 70102210201112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21110201220107 - 2¹² = 21110201216011 is a prime.

It is a super-3 number, since 3×21110201220107³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21110201220127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294482 + ... + 6504392.

It is an arithmetic number, because the mean of its divisors is an integer number (2641817658084).

Almost surely, 2^{21110201220107} is an apocalyptic number.

21110201220107 is a deficient number, since it is larger than the sum of its proper divisors (24340044565).

21110201220107 is a wasteful number, since it uses less digits than its factorization.

21110201220107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213829.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 21110201220107 its reverse (70102210201112), we get a palindrome (91212411421219).

The spelling of 21110201220107 in words is "twenty-one trillion, one hundred ten billion, two hundred one million, two hundred twenty thousand, one hundred seven".