1021245433201 has 32 divisors (see below), whose sum is σ = 1222163251200. Its totient is φ = 834978196800.

The previous prime is 1021245433199. The next prime is 1021245433213. The reversal of 1021245433201 is 1023345421201.

It is a cyclic number.

It is not a de Polignac number, because 1021245433201 - 2¹ = 1021245433199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021245433201.

It is not an unprimeable number, because it can be changed into a prime (1021245433231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4510071 + ... + 4731091.

It is an arithmetic number, because the mean of its divisors is an integer number (38192601600).

Almost surely, 2^{1021245433201} is an apocalyptic number.

It is an amenable number.

1021245433201 is a deficient number, since it is larger than the sum of its proper divisors (200917817999).

1021245433201 is a wasteful number, since it uses less digits than its factorization.

1021245433201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221365.

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

The spelling of 1021245433201 in words is "one trillion, twenty-one billion, two hundred forty-five million, four hundred thirty-three thousand, two hundred one".