2120211219999 has 16 divisors (see below), whose sum is σ = 2880639158400. Its totient is φ = 1386635236896.

The previous prime is 2120211219961. The next prime is 2120211220007. The reversal of 2120211219999 is 9999121120212.

It is not a de Polignac number, because 2120211219999 - 2¹⁹ = 2120210695711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211219199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495612 + ... + 2118030.

It is an arithmetic number, because the mean of its divisors is an integer number (180039947400).

Almost surely, 2^{2120211219999} is an apocalyptic number.

2120211219999 is a deficient number, since it is larger than the sum of its proper divisors (760427938401).

2120211219999 is a wasteful number, since it uses less digits than its factorization.

2120211219999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630694.

The product of its (nonzero) digits is 104976, while the sum is 48.

The spelling of 2120211219999 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred nineteen thousand, nine hundred ninety-nine".