2101212022187 has 2 divisors, whose sum is σ = 2101212022188. Its totient is φ = 2101212022186.

The previous prime is 2101212022157. The next prime is 2101212022219. The reversal of 2101212022187 is 7812202121012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101212022187 - 2¹⁶ = 2101211956651 is a prime.

It is a super-3 number, since 3×2101212022187³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2101212022157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050606011093 + 1050606011094.

It is an arithmetic number, because the mean of its divisors is an integer number (1050606011094).

Almost surely, 2^{2101212022187} is an apocalyptic number.

2101212022187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101212022187 is an equidigital number, since it uses as much as digits as its factorization.

2101212022187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

Adding to 2101212022187 its reverse (7812202121012), we get a palindrome (9913414143199).

The spelling of 2101212022187 in words is "two trillion, one hundred one billion, two hundred twelve million, twenty-two thousand, one hundred eighty-seven".