110020021220221 has 32 divisors (see below), whose sum is σ = 129279806872832. Its totient is φ = 91651651061760.

The previous prime is 110020021220209. The next prime is 110020021220237. The reversal of 110020021220221 is 122022120020011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110020021220221 - 2¹³ = 110020021212029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110020021220195 and 110020021220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020021220281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841986925 + ... + 842117581.

It is an arithmetic number, because the mean of its divisors is an integer number (4039993964776).

Almost surely, 2^{110020021220221} is an apocalyptic number.

It is an amenable number.

110020021220221 is a deficient number, since it is larger than the sum of its proper divisors (19259785652611).

110020021220221 is a wasteful number, since it uses less digits than its factorization.

110020021220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134309.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110020021220221 its reverse (122022120020011), we get a palindrome (232042141240232).

The spelling of 110020021220221 in words is "one hundred ten trillion, twenty billion, twenty-one million, two hundred twenty thousand, two hundred twenty-one".