11022022022121 has 24 divisors (see below), whose sum is σ = 17372918032704. Its totient is φ = 6678135142560.

The previous prime is 11022022022119. The next prime is 11022022022171. The reversal of 11022022022121 is 12122022022011.

It is a happy number.

11022022022121 is a `hidden beast` number, since 1 + 1 + 0 + 220 + 220 + 221 + 2 + 1 = 666.

It is not a de Polignac number, because 11022022022121 - 2¹ = 11022022022119 is a prime.

It is a super-2 number, since 2×11022022022121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11022022022094 and 11022022022103.

It is not an unprimeable number, because it can be changed into a prime (11022022022171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15297781 + ... + 16002066.

It is an arithmetic number, because the mean of its divisors is an integer number (723871584696).

Almost surely, 2^{11022022022121} is an apocalyptic number.

11022022022121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11022022022121 is a deficient number, since it is larger than the sum of its proper divisors (6350896010583).

11022022022121 is a wasteful number, since it uses less digits than its factorization.

11022022022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303421 (or 31303418 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11022022022121 its reverse (12122022022011), we get a palindrome (23144044044132).

The spelling of 11022022022121 in words is "eleven trillion, twenty-two billion, twenty-two million, twenty-two thousand, one hundred twenty-one".