110001021201 has 24 divisors (see below), whose sum is σ = 163629524864. Its totient is φ = 71157515040.

The previous prime is 110001021181. The next prime is 110001021203. The reversal of 110001021201 is 102120100011.

It is a happy number.

It is not a de Polignac number, because 110001021201 - 2⁷ = 110001021073 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 (110001021203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327835 + ... + 572256.

Almost surely, 2^110001021201 is an apocalyptic number.

It is an amenable number.

110001021201 is a deficient number, since it is larger than the sum of its proper divisors (53628503663).

110001021201 is a wasteful number, since it uses less digits than its factorization.

110001021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900501 (or 900498 counting only the distinct ones).

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

Adding to 110001021201 its reverse (102120100011), we get a palindrome (212121121212).

It can be divided in two parts, 1100010 and 21201, that added together give a palindrome (1121211).

The spelling of 110001021201 in words is "one hundred ten billion, one million, twenty-one thousand, two hundred one".