221103110221030 has 16 divisors (see below), whose sum is σ = 397992733422480. Its totient is φ = 88439658527392.

The previous prime is 221103110220983. The next prime is 221103110221043. The reversal of 221103110221030 is 30122011301122.

It is a junction number, because it is equal to n+sod(n) for n = 221103110220989 and 221103110221007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197609365 + ... + 198725104.

It is an arithmetic number, because the mean of its divisors is an integer number (24874545838905).

Almost surely, 2^{221103110221030} is an apocalyptic number.

221103110221030 is a deficient number, since it is larger than the sum of its proper divisors (176889623201450).

221103110221030 is a wasteful number, since it uses less digits than its factorization.

221103110221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396390263.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 221103110221030 its reverse (30122011301122), we get a palindrome (251225121522152).

The spelling of 221103110221030 in words is "two hundred twenty-one trillion, one hundred three billion, one hundred ten million, two hundred twenty-one thousand, thirty".