1102222342221 has 128 divisors (see below), whose sum is σ = 2028128772096. Its totient is φ = 513850106880.

The previous prime is 1102222342189. The next prime is 1102222342231. The reversal of 1102222342221 is 1222432222011.

It is not a de Polignac number, because 1102222342221 - 2⁵ = 1102222342189 is a prime.

It is a super-2 number, since 2×1102222342221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102222342191 and 1102222342200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102222342231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 178552291 + ... + 178558463.

It is an arithmetic number, because the mean of its divisors is an integer number (15844756032).

Almost surely, 2^{1102222342221} is an apocalyptic number.

1102222342221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102222342221 is a deficient number, since it is larger than the sum of its proper divisors (925906429875).

1102222342221 is a wasteful number, since it uses less digits than its factorization.

1102222342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1102222342221 its reverse (1222432222011), we get a palindrome (2324654564232).

The spelling of 1102222342221 in words is "one trillion, one hundred two billion, two hundred twenty-two million, three hundred forty-two thousand, two hundred twenty-one".