2001121530353 has 8 divisors (see below), whose sum is σ = 2207570228640. Its totient is φ = 1798760925280.

The previous prime is 2001121530269. The next prime is 2001121530379. The reversal of 2001121530353 is 3530351211002.

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

It is a de Polignac number, because none of the positive numbers 2^k-2001121530353 is a prime.

It is a super-5 number, since 5×2001121530353⁵ (a number of 63 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001121530253) 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, 1022022275 + ... + 1022024232.

It is an arithmetic number, because the mean of its divisors is an integer number (275946278580).

Almost surely, 2^{2001121530353} is an apocalyptic number.

It is an amenable number.

2001121530353 is a deficient number, since it is larger than the sum of its proper divisors (206448698287).

2001121530353 is a wasteful number, since it uses less digits than its factorization.

2001121530353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044046607.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 2001121530353 its reverse (3530351211002), we get a palindrome (5531472741355).

The spelling of 2001121530353 in words is "two trillion, one billion, one hundred twenty-one million, five hundred thirty thousand, three hundred fifty-three".