11211212122022 has 16 divisors (see below), whose sum is σ = 18353080526400. Its totient is φ = 5093933096040.

The previous prime is 11211212122013. The next prime is 11211212122037. The reversal of 11211212122022 is 22022121211211.

It is a junction number, because it is equal to n+sod(n) for n = 11211212121985 and 11211212122003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103565372 + ... + 103673567.

It is an arithmetic number, because the mean of its divisors is an integer number (1147067532900).

Almost surely, 2^{11211212122022} is an apocalyptic number.

11211212122022 is a deficient number, since it is larger than the sum of its proper divisors (7141868404378).

11211212122022 is a wasteful number, since it uses less digits than its factorization.

11211212122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207241411.

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

Adding to 11211212122022 its reverse (22022121211211), we get a palindrome (33233333333233).

The spelling of 11211212122022 in words is "eleven trillion, two hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand, twenty-two".