10110210110021 has 4 divisors (see below), whose sum is σ = 11554525840032. Its totient is φ = 8665894380012.

The previous prime is 10110210110009. The next prime is 10110210110057. The reversal of 10110210110021 is 12001101201101.

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 10110210110021 - 2⁶ = 10110210109957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10110210109984 and 10110210110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110210110521) 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, 722157864995 + ... + 722157865008.

It is an arithmetic number, because the mean of its divisors is an integer number (2888631460008).

Almost surely, 2^{10110210110021} is an apocalyptic number.

It is an amenable number.

10110210110021 is a deficient number, since it is larger than the sum of its proper divisors (1444315730011).

10110210110021 is an equidigital number, since it uses as much as digits as its factorization.

10110210110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444315730010.

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

Adding to 10110210110021 its reverse (12001101201101), we get a palindrome (22111311311122).

The spelling of 10110210110021 in words is "ten trillion, one hundred ten billion, two hundred ten million, one hundred ten thousand, twenty-one".