2021112120037 has 2 divisors, whose sum is σ = 2021112120038. Its totient is φ = 2021112120036.

The previous prime is 2021112119987. The next prime is 2021112120047. The reversal of 2021112120037 is 7300212111202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1496937568036 + 524174552001 = 1223494^2 + 723999^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021112120037 - 2³¹ = 2018964636389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021112120047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010556060018 + 1010556060019.

It is an arithmetic number, because the mean of its divisors is an integer number (1010556060019).

Almost surely, 2^{2021112120037} is an apocalyptic number.

It is an amenable number.

2021112120037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021112120037 is an equidigital number, since it uses as much as digits as its factorization.

2021112120037 is an evil number, because the sum of its binary digits is even.

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

Adding to 2021112120037 its reverse (7300212111202), we get a palindrome (9321324231239).

The spelling of 2021112120037 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred twenty thousand, thirty-seven".