2120111220005 has 8 divisors (see below), whose sum is σ = 2544916053024. Its totient is φ = 1695567250000.

The previous prime is 2120111219981. The next prime is 2120111220041. The reversal of 2120111220005 is 5000221110212.

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

It is not a de Polignac number, because 2120111220005 - 2¹⁴ = 2120111203621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65197871 + ... + 65230380.

It is an arithmetic number, because the mean of its divisors is an integer number (318114506628).

Almost surely, 2^{2120111220005} is an apocalyptic number.

It is an amenable number.

2120111220005 is a deficient number, since it is larger than the sum of its proper divisors (424804833019).

2120111220005 is a wasteful number, since it uses less digits than its factorization.

2120111220005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130431507.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 2120111220005 its reverse (5000221110212), we get a palindrome (7120332330217).

The spelling of 2120111220005 in words is "two trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty thousand, five".