2101111122037 has 2 divisors, whose sum is σ = 2101111122038. Its totient is φ = 2101111122036.

The previous prime is 2101111122029. The next prime is 2101111122107. The reversal of 2101111122037 is 7302211111012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1824644430436 + 276466691601 = 1350794^2 + 525801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101111122037 - 2³ = 2101111122029 is a prime.

It is a super-2 number, since 2×2101111122037² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101111121999 and 2101111122017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101111122337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050555561018 + 1050555561019.

It is an arithmetic number, because the mean of its divisors is an integer number (1050555561019).

Almost surely, 2^{2101111122037} is an apocalyptic number.

It is an amenable number.

2101111122037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101111122037 is an equidigital number, since it uses as much as digits as its factorization.

2101111122037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 2101111122037 its reverse (7302211111012), we get a palindrome (9403322233049).

The spelling of 2101111122037 in words is "two trillion, one hundred one billion, one hundred eleven million, one hundred twenty-two thousand, thirty-seven".