2120001211619 has 2 divisors, whose sum is σ = 2120001211620. Its totient is φ = 2120001211618.

The previous prime is 2120001211613. The next prime is 2120001211621. The reversal of 2120001211619 is 9161121000212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120001211619 is a prime.

It is a super-2 number, since 2×2120001211619² (a number of 25 digits) contains 22 as substring.

Together with 2120001211621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2120001211613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060000605809 + 1060000605810.

It is an arithmetic number, because the mean of its divisors is an integer number (1060000605810).

Almost surely, 2^{2120001211619} is an apocalyptic number.

2120001211619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120001211619 is an equidigital number, since it uses as much as digits as its factorization.

2120001211619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 2120001211619 in words is "two trillion, one hundred twenty billion, one million, two hundred eleven thousand, six hundred nineteen".