12211121000002 has 16 divisors (see below), whose sum is σ = 18669058598520. Its totient is φ = 5988185162752.

The previous prime is 12211120999969. The next prime is 12211121000009. The reversal of 12211121000002 is 20000012111221.

12211121000002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10674981373081 + 1536139626921 = 3267259^2 + 1239411^2 .

It is a super-2 number, since 2×12211121000002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211121000009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20630677 + ... + 21214312.

Almost surely, 2^{12211121000002} is an apocalyptic number.

12211121000002 is a deficient number, since it is larger than the sum of its proper divisors (6457937598518).

12211121000002 is a wasteful number, since it uses less digits than its factorization.

12211121000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41847797.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12211121000002 its reverse (20000012111221), we get a palindrome (32211133111223).

The spelling of 12211121000002 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, two", and thus it is an aban number.