110001021210101 has 4 divisors (see below), whose sum is σ = 125715452811552. Its totient is φ = 94286589608652.

The previous prime is 110001021210043. The next prime is 110001021210163. The reversal of 110001021210101 is 101012120100011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-110001021210101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001021210191) 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, 7857215800715 + ... + 7857215800728.

It is an arithmetic number, because the mean of its divisors is an integer number (31428863202888).

Almost surely, 2^{110001021210101} is an apocalyptic number.

It is an amenable number.

110001021210101 is a deficient number, since it is larger than the sum of its proper divisors (15714431601451).

110001021210101 is an equidigital number, since it uses as much as digits as its factorization.

110001021210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15714431601450.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110001021210101 its reverse (101012120100011), we get a palindrome (211013141310112).

The spelling of 110001021210101 in words is "one hundred ten trillion, one billion, twenty-one million, two hundred ten thousand, one hundred one".