221122022210122 has 16 divisors (see below), whose sum is σ = 383120509070592. Its totient is φ = 94597656560320.

The previous prime is 221122022210119. The next prime is 221122022210123. The reversal of 221122022210122 is 221012220221122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 221122022210093 and 221122022210102.

It is not an unprimeable number, because it can be changed into a prime (221122022210123) 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, 295617676378 + ... + 295617677125.

It is an arithmetic number, because the mean of its divisors is an integer number (23945031816912).

Almost surely, 2^{221122022210122} is an apocalyptic number.

221122022210122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221122022210122 is a deficient number, since it is larger than the sum of its proper divisors (161998486860470).

221122022210122 is a wasteful number, since it uses less digits than its factorization.

221122022210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591235353533.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 221122022210122 its reverse (221012220221122), we get a palindrome (442134242431244).

The spelling of 221122022210122 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, twenty-two million, two hundred ten thousand, one hundred twenty-two".