22001112120187 has 2 divisors, whose sum is σ = 22001112120188. Its totient is φ = 22001112120186.

The previous prime is 22001112120173. The next prime is 22001112120233. The reversal of 22001112120187 is 78102121110022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001112120187 - 2⁷ = 22001112120059 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001112120137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000556060093 + 11000556060094.

It is an arithmetic number, because the mean of its divisors is an integer number (11000556060094).

Almost surely, 2^{22001112120187} is an apocalyptic number.

22001112120187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001112120187 is an equidigital number, since it uses as much as digits as its factorization.

22001112120187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

The spelling of 22001112120187 in words is "twenty-two trillion, one billion, one hundred twelve million, one hundred twenty thousand, one hundred eighty-seven".