2120211301349 has 2 divisors, whose sum is σ = 2120211301350. Its totient is φ = 2120211301348.

The previous prime is 2120211301339. The next prime is 2120211301409. The reversal of 2120211301349 is 9431031120212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1683181890625 + 437029410724 = 1297375^2 + 661082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120211301349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120211301339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105650674 + 1060105650675.

It is an arithmetic number, because the mean of its divisors is an integer number (1060105650675).

Almost surely, 2^{2120211301349} is an apocalyptic number.

It is an amenable number.

2120211301349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120211301349 is an equidigital number, since it uses as much as digits as its factorization.

2120211301349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 2120211301349 in words is "two trillion, one hundred twenty billion, two hundred eleven million, three hundred one thousand, three hundred forty-nine".