20221111022222 has 32 divisors (see below), whose sum is σ = 33417962049024. Its totient is φ = 9100067812000.

The previous prime is 20221111022207. The next prime is 20221111022239. The reversal of 20221111022222 is 22222011112202.

It is a junction number, because it is equal to n+sod(n) for n = 20221111022194 and 20221111022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64421423 + ... + 64734549.

It is an arithmetic number, because the mean of its divisors is an integer number (1044311314032).

Almost surely, 2^{20221111022222} is an apocalyptic number.

20221111022222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221111022222 is a deficient number, since it is larger than the sum of its proper divisors (13196851026802).

20221111022222 is a wasteful number, since it uses less digits than its factorization.

20221111022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342304.

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

Adding to 20221111022222 its reverse (22222011112202), we get a palindrome (42443122134424).

The spelling of 20221111022222 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, twenty-two thousand, two hundred twenty-two".