2001220022222 has 8 divisors (see below), whose sum is σ = 3014713424736. Its totient is φ = 996315547312.

The previous prime is 2001220022183. The next prime is 2001220022227. The reversal of 2001220022222 is 2222200221002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2001220022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001220022227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147231318 + ... + 2147232249.

It is an arithmetic number, because the mean of its divisors is an integer number (376839178092).

Almost surely, 2^{2001220022222} is an apocalyptic number.

2001220022222 is a deficient number, since it is larger than the sum of its proper divisors (1013493402514).

2001220022222 is a wasteful number, since it uses less digits than its factorization.

2001220022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294463802.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2001220022222 its reverse (2222200221002), we get a palindrome (4223420243224).

The spelling of 2001220022222 in words is "two trillion, one billion, two hundred twenty million, twenty-two thousand, two hundred twenty-two".