110001001201021 has 16 divisors (see below), whose sum is σ = 130053091190400. Its totient is φ = 91033458844608.

The previous prime is 110001001201009. The next prime is 110001001201043. The reversal of 110001001201021 is 120102100100011.

It is not a de Polignac number, because 110001001201021 - 2²¹ = 110000999103869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110001001200989 and 110001001201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001001201001) 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, 4531995 + ... + 15509383.

It is an arithmetic number, because the mean of its divisors is an integer number (8128318199400).

Almost surely, 2^{110001001201021} is an apocalyptic number.

It is an amenable number.

110001001201021 is a deficient number, since it is larger than the sum of its proper divisors (20052089989379).

110001001201021 is a wasteful number, since it uses less digits than its factorization.

110001001201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026788.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110001001201021 its reverse (120102100100011), we get a palindrome (230103101301032).

The spelling of 110001001201021 in words is "one hundred ten trillion, one billion, one million, two hundred one thousand, twenty-one".