4221011132021 has 4 divisors (see below), whose sum is σ = 4221152564544. Its totient is φ = 4220869699500.

The previous prime is 4221011132003. The next prime is 4221011132047. The reversal of 4221011132021 is 1202311101224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4221011132021 - 2⁶ = 4221011131957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4221011131984 and 4221011132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221011132621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70671485 + ... + 70731186.

It is an arithmetic number, because the mean of its divisors is an integer number (1055288141136).

Almost surely, 2^{4221011132021} is an apocalyptic number.

It is an amenable number.

4221011132021 is a deficient number, since it is larger than the sum of its proper divisors (141432523).

4221011132021 is a wasteful number, since it uses less digits than its factorization.

4221011132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141432522.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 4221011132021 its reverse (1202311101224), we get a palindrome (5423322233245).

The spelling of 4221011132021 in words is "four trillion, two hundred twenty-one billion, eleven million, one hundred thirty-two thousand, twenty-one".