1121020100219 has 2 divisors, whose sum is σ = 1121020100220. Its totient is φ = 1121020100218.

The previous prime is 1121020100191. The next prime is 1121020100231. The reversal of 1121020100219 is 9120010201211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121020100219 - 2⁸ = 1121020099963 is a prime.

It is a super-2 number, since 2×1121020100219² (a number of 25 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 1121020100219.

It is not a weakly prime, because it can be changed into another prime (1121020100419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560510050109 + 560510050110.

It is an arithmetic number, because the mean of its divisors is an integer number (560510050110).

Almost surely, 2^{1121020100219} is an apocalyptic number.

1121020100219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121020100219 is an equidigital number, since it uses as much as digits as its factorization.

1121020100219 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 1121020100219 in words is "one trillion, one hundred twenty-one billion, twenty million, one hundred thousand, two hundred nineteen".