2120533565042 has 8 divisors (see below), whose sum is σ = 3190238925276. Its totient is φ = 1057120589952.

The previous prime is 2120533564979. The next prime is 2120533565077. The reversal of 2120533565042 is 2405653350212.

It can be written as a sum of positive squares in 2 ways, for example, as 2109520951561 + 11012613481 = 1452419^2 + 104941^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2120533564987 and 2120533565005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573095443 + ... + 1573096790.

Almost surely, 2^{2120533565042} is an apocalyptic number.

2120533565042 is a deficient number, since it is larger than the sum of its proper divisors (1069705360234).

2120533565042 is a wasteful number, since it uses less digits than its factorization.

2120533565042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146192572.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 2120533565042 in words is "two trillion, one hundred twenty billion, five hundred thirty-three million, five hundred sixty-five thousand, forty-two".