221112021022 has 8 divisors (see below), whose sum is σ = 331671414816. Its totient is φ = 110554882752.

The previous prime is 221112021017. The next prime is 221112021047. The reversal of 221112021022 is 220120211122.

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 = 221112020987 and 221112021005.

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, 292723 + ... + 726574.

It is an arithmetic number, because the mean of its divisors is an integer number (41458926852).

Almost surely, 2^221112021022 is an apocalyptic number.

221112021022 is a deficient number, since it is larger than the sum of its proper divisors (110559393794).

221112021022 is a wasteful number, since it uses less digits than its factorization.

221112021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127762.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221112021022 its reverse (220120211122), we get a palindrome (441232232144).

The spelling of 221112021022 in words is "two hundred twenty-one billion, one hundred twelve million, twenty-one thousand, twenty-two".