11212122000121 has 24 divisors (see below), whose sum is σ = 13050076656960. Its totient is φ = 9604936347552.

The previous prime is 11212122000091. The next prime is 11212122000143. The reversal of 11212122000121 is 12100022121211.

It is not a de Polignac number, because 11212122000121 - 2¹³ = 11212121991929 is a prime.

It is a super-3 number, since 3×11212122000121³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212122000095 and 11212122000104.

It is not an unprimeable number, because it can be changed into a prime (11212122004121) 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, 1176133071 + ... + 1176142603.

It is an arithmetic number, because the mean of its divisors is an integer number (543753194040).

Almost surely, 2^{11212122000121} is an apocalyptic number.

It is an amenable number.

11212122000121 is a deficient number, since it is larger than the sum of its proper divisors (1837954656839).

11212122000121 is an equidigital number, since it uses as much as digits as its factorization.

11212122000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20653 (or 20646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212122000121 its reverse (12100022121211), we get a palindrome (23312144121332).

The spelling of 11212122000121 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty-one", and thus it is an aban number.