221155013022 has 16 divisors (see below), whose sum is σ = 442620001152. Its totient is φ = 73666675160.

The previous prime is 221155012997. The next prime is 221155013029. The reversal of 221155013022 is 220310551122.

It is a junction number, because it is equal to n+sod(n) for n = 221155012983 and 221155013001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221155013029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12906354 + ... + 12923477.

It is an arithmetic number, because the mean of its divisors is an integer number (27663750072).

Almost surely, 2^221155013022 is an apocalyptic number.

221155013022 is an abundant number, since it is smaller than the sum of its proper divisors (221464988130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221155013022 is a wasteful number, since it uses less digits than its factorization.

221155013022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25831263.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 221155013022 its reverse (220310551122), we get a palindrome (441465564144).

The spelling of 221155013022 in words is "two hundred twenty-one billion, one hundred fifty-five million, thirteen thousand, twenty-two".