2211220220222 has 8 divisors (see below), whose sum is σ = 3571971125016. Its totient is φ = 1020563178552.

The previous prime is 2211220220171. The next prime is 2211220220281. The reversal of 2211220220222 is 2220220221122.

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 = 2211220220194 and 2211220220203.

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, 42523465748 + ... + 42523465799.

It is an arithmetic number, because the mean of its divisors is an integer number (446496390627).

Almost surely, 2^{2211220220222} is an apocalyptic number.

2211220220222 is a deficient number, since it is larger than the sum of its proper divisors (1360750904794).

2211220220222 is a wasteful number, since it uses less digits than its factorization.

2211220220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85046931562.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2211220220222 its reverse (2220220221122), we get a palindrome (4431440441344).

The spelling of 2211220220222 in words is "two trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-two".