2021220131133 has 8 divisors (see below), whose sum is σ = 3079954485568. Its totient is φ = 1154982932064.

The previous prime is 2021220131123. The next prime is 2021220131137. The reversal of 2021220131133 is 3311310221202.

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

It is not a de Polignac number, because 2021220131133 - 2¹⁷ = 2021220000061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 96248577673 = 2021220131133 / (2 + 0 + 2 + 1 + 2 + 2 + 0 + 1 + 3 + 1 + 1 + 3 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021220131137) 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, 48124288816 + ... + 48124288857.

It is an arithmetic number, because the mean of its divisors is an integer number (384994310696).

Almost surely, 2^{2021220131133} is an apocalyptic number.

It is an amenable number.

2021220131133 is a deficient number, since it is larger than the sum of its proper divisors (1058734354435).

2021220131133 is an equidigital number, since it uses as much as digits as its factorization.

2021220131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96248577683.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2021220131133 its reverse (3311310221202), we get a palindrome (5332530352335).

The spelling of 2021220131133 in words is "two trillion, twenty-one billion, two hundred twenty million, one hundred thirty-one thousand, one hundred thirty-three".