2120112223453 has 24 divisors (see below), whose sum is σ = 2483205638400. Its totient is φ = 1804751575200.

The previous prime is 2120112223409. The next prime is 2120112223477. The reversal of 2120112223453 is 3543222110212.

It is a happy number.

It is not a de Polignac number, because 2120112223453 - 2¹³ = 2120112215261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120112223253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53649900 + ... + 53689402.

It is an arithmetic number, because the mean of its divisors is an integer number (103466901600).

Almost surely, 2^{2120112223453} is an apocalyptic number.

It is an amenable number.

2120112223453 is a deficient number, since it is larger than the sum of its proper divisors (363093414947).

2120112223453 is a wasteful number, since it uses less digits than its factorization.

2120112223453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47017 (or 47010 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 2120112223453 its reverse (3543222110212), we get a palindrome (5663334333665).

The spelling of 2120112223453 in words is "two trillion, one hundred twenty billion, one hundred twelve million, two hundred twenty-three thousand, four hundred fifty-three".