2043022142981 has 2 divisors, whose sum is σ = 2043022142982. Its totient is φ = 2043022142980.

The previous prime is 2043022142957. The next prime is 2043022143073. The reversal of 2043022142981 is 1892412203402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2040423692356 + 2598450625 = 1428434^2 + 50975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043022142981 - 2³⁸ = 1768144236037 is a prime.

It is a super-2 number, since 2×2043022142981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043022142911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021511071490 + 1021511071491.

It is an arithmetic number, because the mean of its divisors is an integer number (1021511071491).

Almost surely, 2^{2043022142981} is an apocalyptic number.

It is an amenable number.

2043022142981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043022142981 is an equidigital number, since it uses as much as digits as its factorization.

2043022142981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 2043022142981 in words is "two trillion, forty-three billion, twenty-two million, one hundred forty-two thousand, nine hundred eighty-one".