371066021421 has 32 divisors (see below), whose sum is σ = 514098524160. Its totient is φ = 237783888384.

The previous prime is 371066021399. The next prime is 371066021453. The reversal of 371066021421 is 124120660173.

It is a de Polignac number, because none of the positive numbers 2^k-371066021421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371066021321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18549801 + ... + 18569793.

It is an arithmetic number, because the mean of its divisors is an integer number (16065578880).

Almost surely, 2^371066021421 is an apocalyptic number.

It is an amenable number.

371066021421 is a deficient number, since it is larger than the sum of its proper divisors (143032502739).

371066021421 is a wasteful number, since it uses less digits than its factorization.

371066021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20965.

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 371066021421 its reverse (124120660173), we get a palindrome (495186681594).

The spelling of 371066021421 in words is "three hundred seventy-one billion, sixty-six million, twenty-one thousand, four hundred twenty-one".