4112215144021 has 4 divisors (see below), whose sum is σ = 4137443457952. Its totient is φ = 4086986830092.

The previous prime is 4112215144013. The next prime is 4112215144067. The reversal of 4112215144021 is 1204415122114.

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 a cyclic number.

It is not a de Polignac number, because 4112215144021 - 2³ = 4112215144013 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 (4112216144021) 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, 12614156721 + ... + 12614157046.

It is an arithmetic number, because the mean of its divisors is an integer number (1034360864488).

Almost surely, 2^{4112215144021} is an apocalyptic number.

It is an amenable number.

4112215144021 is a deficient number, since it is larger than the sum of its proper divisors (25228313931).

4112215144021 is a wasteful number, since it uses less digits than its factorization.

4112215144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25228313930.

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 4112215144021 in words is "four trillion, one hundred twelve billion, two hundred fifteen million, one hundred forty-four thousand, twenty-one".