102021112222 has 16 divisors (see below), whose sum is σ = 155495023632. Its totient is φ = 50195635200.

The previous prime is 102021112211. The next prime is 102021112229. The reversal of 102021112222 is 222211120201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102021112196 and 102021112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021112229) 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, 1516323 + ... + 1582174.

It is an arithmetic number, because the mean of its divisors is an integer number (9718438977).

Almost surely, 2^102021112222 is an apocalyptic number.

102021112222 is a deficient number, since it is larger than the sum of its proper divisors (53473911410).

102021112222 is a wasteful number, since it uses less digits than its factorization.

102021112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098763.

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

Adding to 102021112222 its reverse (222211120201), we get a palindrome (324232232423).

The spelling of 102021112222 in words is "one hundred two billion, twenty-one million, one hundred twelve thousand, two hundred twenty-two".