222121122021122 has 8 divisors (see below), whose sum is σ = 336295530536976. Its totient is φ = 110022611842132.

The previous prime is 222121122021103. The next prime is 222121122021151. The reversal of 222121122021122 is 221120221121222.

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

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, 518974583948 + ... + 518974584375.

It is an arithmetic number, because the mean of its divisors is an integer number (42036941317122).

Almost surely, 2^{222121122021122} is an apocalyptic number.

222121122021122 is a deficient number, since it is larger than the sum of its proper divisors (114174408515854).

222121122021122 is a wasteful number, since it uses less digits than its factorization.

222121122021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037949168432.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222121122021122 its reverse (221120221121222), we get a palindrome (443241343142344).

The spelling of 222121122021122 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty-two".