201210121219 has 2 divisors, whose sum is σ = 201210121220. Its totient is φ = 201210121218.

The previous prime is 201210121213. The next prime is 201210121237. The reversal of 201210121219 is 912121012102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201210121219 - 2¹⁵ = 201210088451 is a prime.

It is a super-3 number, since 3×201210121219³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 201210121219.

It is not a weakly prime, because it can be changed into another prime (201210121213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605060609 + 100605060610.

It is an arithmetic number, because the mean of its divisors is an integer number (100605060610).

Almost surely, 2^201210121219 is an apocalyptic number.

201210121219 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210121219 is an equidigital number, since it uses as much as digits as its factorization.

201210121219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 201210121219 in words is "two hundred one billion, two hundred ten million, one hundred twenty-one thousand, two hundred nineteen".