20021241101331 has 32 divisors (see below), whose sum is σ = 28785975079680. Its totient is φ = 12336313305600.

The previous prime is 20021241101273. The next prime is 20021241101399. The reversal of 20021241101331 is 13310114212002.

It is not a de Polignac number, because 20021241101331 - 2⁷ = 20021241101203 is a prime.

It is a super-2 number, since 2×20021241101331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20021241101298 and 20021241101307.

It is not an unprimeable number, because it can be changed into a prime (20021241101531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214380076 + ... + 214473446.

It is an arithmetic number, because the mean of its divisors is an integer number (899561721240).

Almost surely, 2^{20021241101331} is an apocalyptic number.

20021241101331 is a deficient number, since it is larger than the sum of its proper divisors (8764733978349).

20021241101331 is a wasteful number, since it uses less digits than its factorization.

20021241101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185187.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20021241101331 its reverse (13310114212002), we get a palindrome (33331355313333).

The spelling of 20021241101331 in words is "twenty trillion, twenty-one billion, two hundred forty-one million, one hundred one thousand, three hundred thirty-one".