12021112228211 has 2 divisors, whose sum is σ = 12021112228212. Its totient is φ = 12021112228210.

The previous prime is 12021112228201. The next prime is 12021112228231. The reversal of 12021112228211 is 11282221112021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12021112228211 - 2⁴² = 7623065717107 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021112228201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010556114105 + 6010556114106.

It is an arithmetic number, because the mean of its divisors is an integer number (6010556114106).

Almost surely, 2^{12021112228211} is an apocalyptic number.

12021112228211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021112228211 is an equidigital number, since it uses as much as digits as its factorization.

12021112228211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 26.

The spelling of 12021112228211 in words is "twelve trillion, twenty-one billion, one hundred twelve million, two hundred twenty-eight thousand, two hundred eleven".