110021201000001 has 24 divisors (see below), whose sum is σ = 163988163694784. Its totient is φ = 71026880067360.

The previous prime is 110021200999949. The next prime is 110021201000017. The reversal of 110021201000001 is 100000102120011.

It is a happy number.

It is not a de Polignac number, because 110021201000001 - 2³⁷ = 109883762046529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021201000041) 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 23 ways as a sum of consecutive naturals, for example, 782853901 + ... + 782994426.

Almost surely, 2^{110021201000001} is an apocalyptic number.

It is an amenable number.

110021201000001 is a deficient number, since it is larger than the sum of its proper divisors (53966962694783).

110021201000001 is a wasteful number, since it uses less digits than its factorization.

110021201000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565848581 (or 1565848578 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110021201000001 its reverse (100000102120011), we get a palindrome (210021303120012).

The spelling of 110021201000001 in words is "one hundred ten trillion, twenty-one billion, two hundred one million, one", and thus it is an aban number.