110220220110021 has 64 divisors (see below), whose sum is σ = 183575019995136. Its totient is φ = 57364615756800.

The previous prime is 110220220110019. The next prime is 110220220110047. The reversal of 110220220110021 is 120011022022011.

It is not a de Polignac number, because 110220220110021 - 2¹ = 110220220110019 is a prime.

It is a super-2 number, since 2×110220220110021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110220220110001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 678226251 + ... + 678388743.

It is an arithmetic number, because the mean of its divisors is an integer number (2868359687424).

Almost surely, 2^{110220220110021} is an apocalyptic number.

It is an amenable number.

110220220110021 is a deficient number, since it is larger than the sum of its proper divisors (73354799885115).

110220220110021 is a wasteful number, since it uses less digits than its factorization.

110220220110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223842.

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

Adding to 110220220110021 its reverse (120011022022011), we get a palindrome (230231242132032).

The spelling of 110220220110021 in words is "one hundred ten trillion, two hundred twenty billion, two hundred twenty million, one hundred ten thousand, twenty-one".