121200110219 has 2 divisors, whose sum is σ = 121200110220. Its totient is φ = 121200110218.

The previous prime is 121200110117. The next prime is 121200110347. The reversal of 121200110219 is 912011002121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121200110219 - 2²⁴ = 121183333003 is a prime.

It is a super-2 number, since 2×121200110219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121200110219.

It is not a weakly prime, because it can be changed into another prime (121200140219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600055109 + 60600055110.

It is an arithmetic number, because the mean of its divisors is an integer number (60600055110).

Almost surely, 2^121200110219 is an apocalyptic number.

121200110219 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200110219 is an equidigital number, since it uses as much as digits as its factorization.

121200110219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 121200110219 in words is "one hundred twenty-one billion, two hundred million, one hundred ten thousand, two hundred nineteen".