3442111031021 has 4 divisors (see below), whose sum is σ = 3706888802652. Its totient is φ = 3177333259392.

The previous prime is 3442111031017. The next prime is 3442111031057. The reversal of 3442111031021 is 1201301112443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2375032360996 + 1067078670025 = 1541114^2 + 1032995^2 .

It is a cyclic number.

It is not a de Polignac number, because 3442111031021 - 2² = 3442111031017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442111031081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132388885796 + ... + 132388885821.

It is an arithmetic number, because the mean of its divisors is an integer number (926722200663).

Almost surely, 2^{3442111031021} is an apocalyptic number.

It is an amenable number.

3442111031021 is a deficient number, since it is larger than the sum of its proper divisors (264777771631).

3442111031021 is a wasteful number, since it uses less digits than its factorization.

3442111031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264777771630.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 3442111031021 its reverse (1201301112443), we get a palindrome (4643412143464).

The spelling of 3442111031021 in words is "three trillion, four hundred forty-two billion, one hundred eleven million, thirty-one thousand, twenty-one".