222121000212022 has 8 divisors (see below), whose sum is σ = 338828644391400. Its totient is φ = 109178118748224.

The previous prime is 222121000211989. The next prime is 222121000212061. The reversal of 222121000212022 is 220212000121222.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941190678747 + ... + 941190678982.

It is an arithmetic number, because the mean of its divisors is an integer number (42353580548925).

Almost surely, 2^{222121000212022} is an apocalyptic number.

222121000212022 is a deficient number, since it is larger than the sum of its proper divisors (116707644179378).

222121000212022 is a wasteful number, since it uses less digits than its factorization.

222121000212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882381357790.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222121000212022 its reverse (220212000121222), we get a palindrome (442333000333244).

The spelling of 222121000212022 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred twelve thousand, twenty-two".