42214242402021 has 4 divisors (see below), whose sum is σ = 56285656536032. Its totient is φ = 28142828268012.

The previous prime is 42214242402019. The next prime is 42214242402121. The reversal of 42214242402021 is 12020424241224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42214242402021 - 2¹ = 42214242402019 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42214242402021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42214242402121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7035707067001 + ... + 7035707067006.

It is an arithmetic number, because the mean of its divisors is an integer number (14071414134008).

Almost surely, 2^{42214242402021} is an apocalyptic number.

It is an amenable number.

42214242402021 is a deficient number, since it is larger than the sum of its proper divisors (14071414134011).

42214242402021 is a wasteful number, since it uses less digits than its factorization.

42214242402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14071414134010.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 42214242402021 its reverse (12020424241224), we get a palindrome (54234666643245).

The spelling of 42214242402021 in words is "forty-two trillion, two hundred fourteen billion, two hundred forty-two million, four hundred two thousand, twenty-one".