21032101037 has 2 divisors, whose sum is σ = 21032101038. Its totient is φ = 21032101036.

The previous prime is 21032101007. The next prime is 21032101067. The reversal of 21032101037 is 73010123012.

It is a balanced prime because it is at equal distance from previous prime (21032101007) and next prime (21032101067).

It can be written as a sum of positive squares in only one way, i.e., 10566606436 + 10465494601 = 102794^2 + 102301^2 .

It is a cyclic number.

It is not a de Polignac number, because 21032101037 - 2⁸ = 21032100781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21032101007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516050518 + 10516050519.

It is an arithmetic number, because the mean of its divisors is an integer number (10516050519).

Almost surely, 2^21032101037 is an apocalyptic number.

It is an amenable number.

21032101037 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032101037 is an equidigital number, since it uses as much as digits as its factorization.

21032101037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 21032101037 its reverse (73010123012), we get a palindrome (94042224049).

The spelling of 21032101037 in words is "twenty-one billion, thirty-two million, one hundred one thousand, thirty-seven".