22101001020187 has 2 divisors, whose sum is σ = 22101001020188. Its totient is φ = 22101001020186.

The previous prime is 22101001020181. The next prime is 22101001020221. The reversal of 22101001020187 is 78102010010122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22101001020187 - 2¹¹ = 22101001018139 is a prime.

It is not a weakly prime, because it can be changed into another prime (22101001020181) 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, 11050500510093 + 11050500510094.

It is an arithmetic number, because the mean of its divisors is an integer number (11050500510094).

Almost surely, 2^{22101001020187} is an apocalyptic number.

22101001020187 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101001020187 is an equidigital number, since it uses as much as digits as its factorization.

22101001020187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

The spelling of 22101001020187 in words is "twenty-two trillion, one hundred one billion, one million, twenty thousand, one hundred eighty-seven".