4220021131000 has 64 divisors (see below), whose sum is σ = 9999847728000. Its totient is φ = 1666641225600.

The previous prime is 4220021130977. The next prime is 4220021131003. The reversal of 4220021131000 is 1311200224.

It is a super-2 number, since 2×4220021131000² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220021131003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26629995 + ... + 26787994.

It is an arithmetic number, because the mean of its divisors is an integer number (156247620750).

Almost surely, 2^{4220021131000} is an apocalyptic number.

4220021131000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220021131000 is an abundant number, since it is smaller than the sum of its proper divisors (5779826597000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220021131000 is a wasteful number, since it uses less digits than its factorization.

4220021131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53418089 (or 53418075 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 4220021131000 its reverse (1311200224), we get a palindrome (4221332331224).

The spelling of 4220021131000 in words is "four trillion, two hundred twenty billion, twenty-one million, one hundred thirty-one thousand".