2112001046546 has 4 divisors (see below), whose sum is σ = 3168001569822. Its totient is φ = 1056000523272.

The previous prime is 2112001046537. The next prime is 2112001046581. The reversal of 2112001046546 is 6456401002112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1468243547521 + 643757499025 = 1211711^2 + 802345^2 .

It is a super-2 number, since 2×2112001046546² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528000261635 + ... + 528000261638.

Almost surely, 2^{2112001046546} is an apocalyptic number.

2112001046546 is a deficient number, since it is larger than the sum of its proper divisors (1056000523276).

2112001046546 is a wasteful number, since it uses less digits than its factorization.

2112001046546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056000523275.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 2112001046546 its reverse (6456401002112), we get a palindrome (8568402048658).

The spelling of 2112001046546 in words is "two trillion, one hundred twelve billion, one million, forty-six thousand, five hundred forty-six".