20211232121003 has 8 divisors (see below), whose sum is σ = 25198419267840. Its totient is φ = 15749012042280.

The previous prime is 20211232120967. The next prime is 20211232121077. The reversal of 20211232121003 is 30012123211202.

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

It is not a de Polignac number, because 20211232121003 - 2¹⁶ = 20211232055467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211232121303) 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, 131241766943 + ... + 131241767096.

It is an arithmetic number, because the mean of its divisors is an integer number (3149802408480).

Almost surely, 2^{20211232121003} is an apocalyptic number.

20211232121003 is a deficient number, since it is larger than the sum of its proper divisors (4987187146837).

20211232121003 is a wasteful number, since it uses less digits than its factorization.

20211232121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262483534057.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20211232121003 its reverse (30012123211202), we get a palindrome (50223355332205).

The spelling of 20211232121003 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-two million, one hundred twenty-one thousand, three".