222121012102 has 8 divisors (see below), whose sum is σ = 363470747112. Its totient is φ = 100964096400.

The previous prime is 222121012093. The next prime is 222121012213. The reversal of 222121012102 is 201210121222.

It is a happy number.

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

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, 5048204799 + ... + 5048204842.

It is an arithmetic number, because the mean of its divisors is an integer number (45433843389).

Almost surely, 2^222121012102 is an apocalyptic number.

222121012102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222121012102 is a deficient number, since it is larger than the sum of its proper divisors (141349735010).

222121012102 is a wasteful number, since it uses less digits than its factorization.

222121012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096409654.

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

Adding to 222121012102 its reverse (201210121222), we get a palindrome (423331133324).

The spelling of 222121012102 in words is "two hundred twenty-two billion, one hundred twenty-one million, twelve thousand, one hundred two".