221211102422 has 8 divisors (see below), whose sum is σ = 339909742872. Its totient is φ = 107907854800.

The previous prime is 221211102367. The next prime is 221211102433. The reversal of 221211102422 is 224201112122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221211102394 and 221211102403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348848104 + ... + 1348848267.

It is an arithmetic number, because the mean of its divisors is an integer number (42488717859).

Almost surely, 2^221211102422 is an apocalyptic number.

221211102422 is a deficient number, since it is larger than the sum of its proper divisors (118698640450).

221211102422 is a wasteful number, since it uses less digits than its factorization.

221211102422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697696414.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221211102422 its reverse (224201112122), we get a palindrome (445412214544).

The spelling of 221211102422 in words is "two hundred twenty-one billion, two hundred eleven million, one hundred two thousand, four hundred twenty-two".