2201022120218 has 8 divisors (see below), whose sum is σ = 3302792834580. Its totient is φ = 1100091175360.

The previous prime is 2201022120217. The next prime is 2201022120233. The reversal of 2201022120218 is 8120212201022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1860067728649 + 340954391569 = 1363843^2 + 583913^2 .

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 = 2201022120193 and 2201022120202.

It is not an unprimeable number, because it can be changed into a prime (2201022120217) 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, 209935823 + ... + 209946306.

Almost surely, 2^{2201022120218} is an apocalyptic number.

2201022120218 is a deficient number, since it is larger than the sum of its proper divisors (1101770714362).

2201022120218 is a wasteful number, since it uses less digits than its factorization.

2201022120218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419884752.

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

The spelling of 2201022120218 in words is "two trillion, two hundred one billion, twenty-two million, one hundred twenty thousand, two hundred eighteen".