22111212020222 has 16 divisors (see below), whose sum is σ = 35748202854672. Its totient is φ = 10196577312960.

The previous prime is 22111212020203. The next prime is 22111212020239. The reversal of 22111212020222 is 22202021211122.

It is a junction number, because it is equal to n+sod(n) for n = 22111212020194 and 22111212020203.

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, 358196279 + ... + 358258002.

It is an arithmetic number, because the mean of its divisors is an integer number (2234262678417).

Almost surely, 2^{22111212020222} is an apocalyptic number.

22111212020222 is a deficient number, since it is larger than the sum of its proper divisors (13636990834450).

22111212020222 is a wasteful number, since it uses less digits than its factorization.

22111212020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716455483.

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

Adding to 22111212020222 its reverse (22202021211122), we get a palindrome (44313233231344).

The spelling of 22111212020222 in words is "twenty-two trillion, one hundred eleven billion, two hundred twelve million, twenty thousand, two hundred twenty-two".