11223412102221 has 32 divisors (see below), whose sum is σ = 17039450068992. Its totient is φ = 6504528423360.

The previous prime is 11223412102213. The next prime is 11223412102229. The reversal of 11223412102221 is 12220121432211.

It is an interprime number because it is at equal distance from previous prime (11223412102213) and next prime (11223412102229).

It is not a de Polignac number, because 11223412102221 - 2³ = 11223412102213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11223412102191 and 11223412102200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223412102229) 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, 709131 + ... + 4790583.

It is an arithmetic number, because the mean of its divisors is an integer number (532482814656).

Almost surely, 2^{11223412102221} is an apocalyptic number.

11223412102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11223412102221 is a deficient number, since it is larger than the sum of its proper divisors (5816037966771).

11223412102221 is a wasteful number, since it uses less digits than its factorization.

11223412102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085113.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 11223412102221 its reverse (12220121432211), we get a palindrome (23443533534432).

The spelling of 11223412102221 in words is "eleven trillion, two hundred twenty-three billion, four hundred twelve million, one hundred two thousand, two hundred twenty-one".