2021422134040 has 32 divisors (see below), whose sum is σ = 4548290428080. Its totient is φ = 808552742272.

The previous prime is 2021422134019. The next prime is 2021422134047. The reversal of 2021422134040 is 404312241202.

It is a super-2 number, since 2×2021422134040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021422133996 and 2021422134014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021422134047) 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, 1641927 + ... + 2595913.

Almost surely, 2^{2021422134040} is an apocalyptic number.

2021422134040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021422134040 is an abundant number, since it is smaller than the sum of its proper divisors (2526868294040).

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

2021422134040 is a wasteful number, since it uses less digits than its factorization.

2021422134040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006971 (or 1006967 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2021422134040 its reverse (404312241202), we get a palindrome (2425734375242).

The spelling of 2021422134040 in words is "two trillion, twenty-one billion, four hundred twenty-two million, one hundred thirty-four thousand, forty".