2121111102119 has 2 divisors, whose sum is σ = 2121111102120. Its totient is φ = 2121111102118.

The previous prime is 2121111102107. The next prime is 2121111102139. The reversal of 2121111102119 is 9112011111212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121111102119 is a prime.

It is a super-2 number, since 2×2121111102119² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121111102094 and 2121111102103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121111102139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060555551059 + 1060555551060.

It is an arithmetic number, because the mean of its divisors is an integer number (1060555551060).

Almost surely, 2^{2121111102119} is an apocalyptic number.

2121111102119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121111102119 is an equidigital number, since it uses as much as digits as its factorization.

2121111102119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 2121111102119 in words is "two trillion, one hundred twenty-one billion, one hundred eleven million, one hundred two thousand, one hundred nineteen".