2102120101219 has 2 divisors, whose sum is σ = 2102120101220. Its totient is φ = 2102120101218.

The previous prime is 2102120101201. The next prime is 2102120101229. The reversal of 2102120101219 is 9121010212012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102120101219 - 2³⁷ = 1964681147747 is a prime.

It is a super-2 number, since 2×2102120101219² (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 2102120101219.

It is not a weakly prime, because it can be changed into another prime (2102120101229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051060050609 + 1051060050610.

It is an arithmetic number, because the mean of its divisors is an integer number (1051060050610).

Almost surely, 2^{2102120101219} is an apocalyptic number.

2102120101219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102120101219 is an equidigital number, since it uses as much as digits as its factorization.

2102120101219 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 22.

The spelling of 2102120101219 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred one thousand, two hundred nineteen".