20021100001037 has 2 divisors, whose sum is σ = 20021100001038. Its totient is φ = 20021100001036.

The previous prime is 20021100001009. The next prime is 20021100001127. The reversal of 20021100001037 is 73010000112002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18652560337321 + 1368539663716 = 4318861^2 + 1169846^2 .

It is a cyclic number.

It is not a de Polignac number, because 20021100001037 - 2⁶ = 20021100000973 is a prime.

It is a super-2 number, since 2×20021100001037² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20021100001237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010550000518 + 10010550000519.

It is an arithmetic number, because the mean of its divisors is an integer number (10010550000519).

Almost surely, 2^{20021100001037} is an apocalyptic number.

It is an amenable number.

20021100001037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021100001037 is an equidigital number, since it uses as much as digits as its factorization.

20021100001037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 20021100001037 its reverse (73010000112002), we get a palindrome (93031100113039).

The spelling of 20021100001037 in words is "twenty trillion, twenty-one billion, one hundred million, one thousand, thirty-seven".