2222212021187 has 2 divisors, whose sum is σ = 2222212021188. Its totient is φ = 2222212021186.

The previous prime is 2222212021181. The next prime is 2222212021261. The reversal of 2222212021187 is 7811202122222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222212021187 - 2⁴ = 2222212021171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222212021181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111106010593 + 1111106010594.

It is an arithmetic number, because the mean of its divisors is an integer number (1111106010594).

Almost surely, 2^{2222212021187} is an apocalyptic number.

2222212021187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222212021187 is an equidigital number, since it uses as much as digits as its factorization.

2222212021187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The spelling of 2222212021187 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, twenty-one thousand, one hundred eighty-seven".