2021422142132 has 12 divisors (see below), whose sum is σ = 3537514786596. Its totient is φ = 1010703631680.

The previous prime is 2021422142071. The next prime is 2021422142279. The reversal of 2021422142132 is 2312412241202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 246329571856 + 1775092570276 = 496316^2 + 1332326^2 .

It is a super-2 number, since 2×2021422142132² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224353 + ... + 2354120.

It is an arithmetic number, because the mean of its divisors is an integer number (294792898883).

Almost surely, 2^{2021422142132} is an apocalyptic number.

It is an amenable number.

2021422142132 is a deficient number, since it is larger than the sum of its proper divisors (1516092644464).

2021422142132 is a wasteful number, since it uses less digits than its factorization.

2021422142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719698 (or 3719696 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2021422142132 its reverse (2312412241202), we get a palindrome (4333834383334).

The spelling of 2021422142132 in words is "two trillion, twenty-one billion, four hundred twenty-two million, one hundred forty-two thousand, one hundred thirty-two".