2212021121222 has 8 divisors (see below), whose sum is σ = 3619670925672. Its totient is φ = 1005464146000.

The previous prime is 2212021121201. The next prime is 2212021121231. The reversal of 2212021121222 is 2221211202122.

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 = 2212021121194 and 2212021121203.

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, 50273207279 + ... + 50273207322.

It is an arithmetic number, because the mean of its divisors is an integer number (452458865709).

Almost surely, 2^{2212021121222} is an apocalyptic number.

2212021121222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212021121222 is a deficient number, since it is larger than the sum of its proper divisors (1407649804450).

2212021121222 is a wasteful number, since it uses less digits than its factorization.

2212021121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100546414614.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212021121222 its reverse (2221211202122), we get a palindrome (4433232323344).

The spelling of 2212021121222 in words is "two trillion, two hundred twelve billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".