110210202021021 has 16 divisors (see below), whose sum is σ = 147073858171968. Its totient is φ = 73410032707200.

The previous prime is 110210202020959. The next prime is 110210202021047. The reversal of 110210202021021 is 120120202012011.

It is not a de Polignac number, because 110210202021021 - 2⁶ = 110210202020957 is a prime.

It is a super-2 number, since 2×110210202021021² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110210202021421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13904881 + ... + 20341241.

It is an arithmetic number, because the mean of its divisors is an integer number (9192116135748).

Almost surely, 2^{110210202021021} is an apocalyptic number.

It is an amenable number.

110210202021021 is a deficient number, since it is larger than the sum of its proper divisors (36863656150947).

110210202021021 is a wasteful number, since it uses less digits than its factorization.

110210202021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441292.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110210202021021 its reverse (120120202012011), we get a palindrome (230330404033032).

The spelling of 110210202021021 in words is "one hundred ten trillion, two hundred ten billion, two hundred two million, twenty-one thousand, twenty-one".