121101221111219 has 2 divisors, whose sum is σ = 121101221111220. Its totient is φ = 121101221111218.

The previous prime is 121101221111209. The next prime is 121101221111287. The reversal of 121101221111219 is 912111122101121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121101221111219 - 2⁸ = 121101221110963 is a prime.

It is a super-2 number, since 2×121101221111219² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121101221111209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550610555609 + 60550610555610.

It is an arithmetic number, because the mean of its divisors is an integer number (60550610555610).

Almost surely, 2^{121101221111219} is an apocalyptic number.

121101221111219 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101221111219 is an equidigital number, since it uses as much as digits as its factorization.

121101221111219 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 26.

The spelling of 121101221111219 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty-one million, one hundred eleven thousand, two hundred nineteen".