2120387769411 has 8 divisors (see below), whose sum is σ = 2855175610704. Its totient is φ = 1399595887200.

The previous prime is 2120387769407. The next prime is 2120387769421. The reversal of 2120387769411 is 1149677830212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120387769411 - 2² = 2120387769407 is a prime.

It is a super-2 number, since 2×2120387769411² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120387769421) 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 in 7 ways as a sum of consecutive naturals, for example, 3498989416 + ... + 3498990021.

It is an arithmetic number, because the mean of its divisors is an integer number (356896951338).

Almost surely, 2^{2120387769411} is an apocalyptic number.

2120387769411 is a deficient number, since it is larger than the sum of its proper divisors (734787841293).

2120387769411 is a wasteful number, since it uses less digits than its factorization.

2120387769411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997979541.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 2120387769411 in words is "two trillion, one hundred twenty billion, three hundred eighty-seven million, seven hundred sixty-nine thousand, four hundred eleven".