110210102111021 has 4 divisors (see below), whose sum is σ = 120229202302944. Its totient is φ = 100191001919100.

The previous prime is 110210102110987. The next prime is 110210102111023. The reversal of 110210102111021 is 120111201012011.

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 cyclic number.

It is not a de Polignac number, because 110210102111021 - 2⁴⁶ = 39841357933357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110210102110987 and 110210102111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110210102111023) 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, 5009550095945 + ... + 5009550095966.

It is an arithmetic number, because the mean of its divisors is an integer number (30057300575736).

Almost surely, 2^{110210102111021} is an apocalyptic number.

110210102111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110210102111021 is a deficient number, since it is larger than the sum of its proper divisors (10019100191923).

110210102111021 is a wasteful number, since it uses less digits than its factorization.

110210102111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019100191922.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 110210102111021 its reverse (120111201012011), we get a palindrome (230321303123032).

The spelling of 110210102111021 in words is "one hundred ten trillion, two hundred ten billion, one hundred two million, one hundred eleven thousand, twenty-one".