2001042153224 has 8 divisors (see below), whose sum is σ = 3751954037310. Its totient is φ = 1000521076608.

The previous prime is 2001042153221. The next prime is 2001042153239. The reversal of 2001042153224 is 4223512401002.

It can be written as a sum of positive squares in only one way, i.e., 1512186684100 + 488855469124 = 1229710^2 + 699182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2001042153193 and 2001042153202.

It is not an unprimeable number, because it can be changed into a prime (2001042153221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125065134569 + ... + 125065134584.

Almost surely, 2^{2001042153224} is an apocalyptic number.

It is an amenable number.

2001042153224 is a deficient number, since it is larger than the sum of its proper divisors (1750911884086).

2001042153224 is a wasteful number, since it uses less digits than its factorization.

2001042153224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250130269159 (or 250130269155 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2001042153224 its reverse (4223512401002), we get a palindrome (6224554554226).

The spelling of 2001042153224 in words is "two trillion, one billion, forty-two million, one hundred fifty-three thousand, two hundred twenty-four".