11222111212022 has 4 divisors (see below), whose sum is σ = 16833166818036. Its totient is φ = 5611055606010.

The previous prime is 11222111212007. The next prime is 11222111212027. The reversal of 11222111212022 is 22021211122211.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11222111211985 and 11222111212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222111212027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805527803004 + ... + 2805527803007.

It is an arithmetic number, because the mean of its divisors is an integer number (4208291704509).

Almost surely, 2^{11222111212022} is an apocalyptic number.

11222111212022 is a deficient number, since it is larger than the sum of its proper divisors (5611055606014).

11222111212022 is an equidigital number, since it uses as much as digits as its factorization.

11222111212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611055606013.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11222111212022 its reverse (22021211122211), we get a palindrome (33243322334233).

The spelling of 11222111212022 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, twenty-two".