2120011084837 has 2 divisors, whose sum is σ = 2120011084838. Its totient is φ = 2120011084836.

The previous prime is 2120011084787. The next prime is 2120011084907. The reversal of 2120011084837 is 7384801100212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2105891466561 + 14119618276 = 1451169^2 + 118826^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120011084837 - 2¹⁵ = 2120011052069 is a prime.

It is a super-2 number, since 2×2120011084837² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120011084796 and 2120011084805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120011082837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060005542418 + 1060005542419.

It is an arithmetic number, because the mean of its divisors is an integer number (1060005542419).

Almost surely, 2^{2120011084837} is an apocalyptic number.

It is an amenable number.

2120011084837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120011084837 is an equidigital number, since it uses as much as digits as its factorization.

2120011084837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 2120011084837 in words is "two trillion, one hundred twenty billion, eleven million, eighty-four thousand, eight hundred thirty-seven".