4021342231122 has 12 divisors (see below), whose sum is σ = 8712908167470. Its totient is φ = 1340447410368.

The previous prime is 4021342231121. The next prime is 4021342231171. The reversal of 4021342231122 is 2211322431204.

4021342231122 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 342 + 2 + 311 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3788507995281 + 232834235841 = 1946409^2 + 482529^2 .

It is not an unprimeable number, because it can be changed into a prime (4021342231121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111703950847 + ... + 111703950882.

Almost surely, 2^{4021342231122} is an apocalyptic number.

4021342231122 is an abundant number, since it is smaller than the sum of its proper divisors (4691565936348).

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

4021342231122 is a wasteful number, since it uses less digits than its factorization.

4021342231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223407901737 (or 223407901734 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4021342231122 its reverse (2211322431204), we get a palindrome (6232664662326).

The spelling of 4021342231122 in words is "four trillion, twenty-one billion, three hundred forty-two million, two hundred thirty-one thousand, one hundred twenty-two".