12211022222002 has 4 divisors (see below), whose sum is σ = 18316533333006. Its totient is φ = 6105511111000.

The previous prime is 12211022221999. The next prime is 12211022222027. The reversal of 12211022222002 is 20022222011221.

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

It can be written as a sum of positive squares in only one way, i.e., 10467172560601 + 1743849661401 = 3235301^2 + 1320549^2 .

It is a super-2 number, since 2×12211022222002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052755555499 + ... + 3052755555502.

Almost surely, 2^{12211022222002} is an apocalyptic number.

12211022222002 is a deficient number, since it is larger than the sum of its proper divisors (6105511111004).

12211022222002 is an equidigital number, since it uses as much as digits as its factorization.

12211022222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105511111003.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12211022222002 its reverse (20022222011221), we get a palindrome (32233244233223).

The spelling of 12211022222002 in words is "twelve trillion, two hundred eleven billion, twenty-two million, two hundred twenty-two thousand, two".