20221100222222 has 8 divisors (see below), whose sum is σ = 30758856676272. Its totient is φ = 9968147996800.

The previous prime is 20221100222189. The next prime is 20221100222233. The reversal of 20221100222222 is 22222200112202.

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 = 20221100222194 and 20221100222203.

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, 71201056979 + ... + 71201057262.

It is an arithmetic number, because the mean of its divisors is an integer number (3844857084534).

Almost surely, 2^{20221100222222} is an apocalyptic number.

20221100222222 is a deficient number, since it is larger than the sum of its proper divisors (10537756454050).

20221100222222 is a wasteful number, since it uses less digits than its factorization.

20221100222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142402114314.

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

Adding to 20221100222222 its reverse (22222200112202), we get a palindrome (42443300334424).

The spelling of 20221100222222 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-two thousand, two hundred twenty-two".