42021140701 has 2 divisors, whose sum is σ = 42021140702. Its totient is φ = 42021140700.

The previous prime is 42021140669. The next prime is 42021140717. The reversal of 42021140701 is 10704112024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33353716900 + 8667423801 = 182630^2 + 93099^2 .

It is a cyclic number.

It is not a de Polignac number, because 42021140701 - 2⁵ = 42021140669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42021140731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21010570350 + 21010570351.

It is an arithmetic number, because the mean of its divisors is an integer number (21010570351).

Almost surely, 2^42021140701 is an apocalyptic number.

It is an amenable number.

42021140701 is a deficient number, since it is larger than the sum of its proper divisors (1).

42021140701 is an equidigital number, since it uses as much as digits as its factorization.

42021140701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 42021140701 its reverse (10704112024), we get a palindrome (52725252725).

The spelling of 42021140701 in words is "forty-two billion, twenty-one million, one hundred forty thousand, seven hundred one".