2021212011037 has 2 divisors, whose sum is σ = 2021212011038. Its totient is φ = 2021212011036.

The previous prime is 2021212010989. The next prime is 2021212011041. The reversal of 2021212011037 is 7301102121202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2018087312836 + 3124698201 = 1420594^2 + 55899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021212011037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021212010999 and 2021212011017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021212011337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010606005518 + 1010606005519.

It is an arithmetic number, because the mean of its divisors is an integer number (1010606005519).

Almost surely, 2^{2021212011037} is an apocalyptic number.

It is an amenable number.

2021212011037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021212011037 is an equidigital number, since it uses as much as digits as its factorization.

2021212011037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 2021212011037 its reverse (7301102121202), we get a palindrome (9322314132239).

The spelling of 2021212011037 in words is "two trillion, twenty-one billion, two hundred twelve million, eleven thousand, thirty-seven".