110222110100021 has 16 divisors (see below), whose sum is σ = 115580567329920. Its totient is φ = 104992718369280.

The previous prime is 110222110099991. The next prime is 110222110100023. The reversal of 110222110100021 is 120001011222011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110222110100021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110222110099969 and 110222110100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110222110100023) 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, 7381865 + ... + 16581198.

It is an arithmetic number, because the mean of its divisors is an integer number (7223785458120).

Almost surely, 2^{110222110100021} is an apocalyptic number.

It is an amenable number.

110222110100021 is a deficient number, since it is larger than the sum of its proper divisors (5358457229899).

110222110100021 is a wasteful number, since it uses less digits than its factorization.

110222110100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23965756.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110222110100021 its reverse (120001011222011), we get a palindrome (230223121322032).

The spelling of 110222110100021 in words is "one hundred ten trillion, two hundred twenty-two billion, one hundred ten million, one hundred thousand, twenty-one".