201220000121219 has 2 divisors, whose sum is σ = 201220000121220. Its totient is φ = 201220000121218.

The previous prime is 201220000121149. The next prime is 201220000121293. The reversal of 201220000121219 is 912121000022102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201220000121219 is a prime.

It is a super-2 number, since 2×201220000121219² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201220000121194 and 201220000121203.

It is not a weakly prime, because it can be changed into another prime (201220000141219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610000060609 + 100610000060610.

It is an arithmetic number, because the mean of its divisors is an integer number (100610000060610).

Almost surely, 2^{201220000121219} is an apocalyptic number.

201220000121219 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220000121219 is an equidigital number, since it uses as much as digits as its factorization.

201220000121219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 201220000121219 in words is "two hundred one trillion, two hundred twenty billion, one hundred twenty-one thousand, two hundred nineteen".