221110001022 has 8 divisors (see below), whose sum is σ = 442220002056. Its totient is φ = 73703333672.

The previous prime is 221110001009. The next prime is 221110001041. The reversal of 221110001022 is 220100011122.

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

221110001022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 221110000989 and 221110001007.

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, 18425833413 + ... + 18425833424.

It is an arithmetic number, because the mean of its divisors is an integer number (55277500257).

Almost surely, 2^221110001022 is an apocalyptic number.

221110001022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221110001022 is a wasteful number, since it uses less digits than its factorization.

221110001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36851666842.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221110001022 its reverse (220100011122), we get a palindrome (441210012144).

The spelling of 221110001022 in words is "two hundred twenty-one billion, one hundred ten million, one thousand, twenty-two".