1021145153201 has 8 divisors (see below), whose sum is σ = 1082899285704. Its totient is φ = 959578439680.

The previous prime is 1021145153173. The next prime is 1021145153207. The reversal of 1021145153201 is 1023515411201.

It can be written as a sum of positive squares in 4 ways, for example, as 775590216976 + 245554936225 = 880676^2 + 495535^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021145153201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021145153207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46843520 + ... + 46865313.

It is an arithmetic number, because the mean of its divisors is an integer number (135362410713).

Almost surely, 2^{1021145153201} is an apocalyptic number.

It is an amenable number.

1021145153201 is a deficient number, since it is larger than the sum of its proper divisors (61754132503).

1021145153201 is an equidigital number, since it uses as much as digits as its factorization.

1021145153201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93709491.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 1021145153201 in words is "one trillion, twenty-one billion, one hundred forty-five million, one hundred fifty-three thousand, two hundred one".