20202221111222 has 16 divisors (see below), whose sum is σ = 30424321813680. Its totient is φ = 10060788461568.

The previous prime is 20202221111197. The next prime is 20202221111279. The reversal of 20202221111222 is 22211112220202.

It is a junction number, because it is equal to n+sod(n) for n = 20202221111194 and 20202221111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108554 + ... + 7075842.

It is an arithmetic number, because the mean of its divisors is an integer number (1901520113355).

Almost surely, 2^{20202221111222} is an apocalyptic number.

20202221111222 is a deficient number, since it is larger than the sum of its proper divisors (10222100702458).

20202221111222 is a wasteful number, since it uses less digits than its factorization.

20202221111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977455.

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

Adding to 20202221111222 its reverse (22211112220202), we get a palindrome (42413333331424).

The spelling of 20202221111222 in words is "twenty trillion, two hundred two billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".