110021010121201 has 4 divisors (see below), whose sum is σ = 111824633238004. Its totient is φ = 108217387004400.

The previous prime is 110021010121157. The next prime is 110021010121207. The reversal of 110021010121201 is 102121010120011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2705416384225 + 107315593736976 = 1644815^2 + 10359324^2 .

It is a cyclic number.

It is not a de Polignac number, because 110021010121201 - 2²¹ = 110021008024049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021010121207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901811558310 + ... + 901811558431.

It is an arithmetic number, because the mean of its divisors is an integer number (27956158309501).

Almost surely, 2^{110021010121201} is an apocalyptic number.

It is an amenable number.

110021010121201 is a deficient number, since it is larger than the sum of its proper divisors (1803623116803).

110021010121201 is an equidigital number, since it uses as much as digits as its factorization.

110021010121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803623116802.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110021010121201 its reverse (102121010120011), we get a palindrome (212142020241212).

The spelling of 110021010121201 in words is "one hundred ten trillion, twenty-one billion, ten million, one hundred twenty-one thousand, two hundred one".