110021321102021 has 16 divisors (see below), whose sum is σ = 128566991536128. Its totient is φ = 92195399587200.

The previous prime is 110021321101999. The next prime is 110021321102053. The reversal of 110021321102021 is 120201123120011.

It is a happy number.

It is not a de Polignac number, because 110021321102021 - 2¹⁸ = 110021320839877 is a prime.

It is a super-2 number, since 2×110021321102021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021321102321) 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, 527570885 + ... + 527779386.

It is an arithmetic number, because the mean of its divisors is an integer number (8035436971008).

Almost surely, 2^{110021321102021} is an apocalyptic number.

It is an amenable number.

110021321102021 is a deficient number, since it is larger than the sum of its proper divisors (18545670434107).

110021321102021 is a wasteful number, since it uses less digits than its factorization.

110021321102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055350612.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 110021321102021 its reverse (120201123120011), we get a palindrome (230222444222032).

The spelling of 110021321102021 in words is "one hundred ten trillion, twenty-one billion, three hundred twenty-one million, one hundred two thousand, twenty-one".