2111211333349 has 2 divisors, whose sum is σ = 2111211333350. Its totient is φ = 2111211333348.

The previous prime is 2111211333331. The next prime is 2111211333367. The reversal of 2111211333349 is 9433331121112.

It is a balanced prime because it is at equal distance from previous prime (2111211333331) and next prime (2111211333367).

It can be written as a sum of positive squares in only one way, i.e., 1610216337249 + 500994996100 = 1268943^2 + 707810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111211333349 - 2⁵ = 2111211333317 is a prime.

It is a super-2 number, since 2×2111211333349² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111211333389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605666674 + 1055605666675.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605666675).

Almost surely, 2^{2111211333349} is an apocalyptic number.

It is an amenable number.

2111211333349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111211333349 is an equidigital number, since it uses as much as digits as its factorization.

2111211333349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The spelling of 2111211333349 in words is "two trillion, one hundred eleven billion, two hundred eleven million, three hundred thirty-three thousand, three hundred forty-nine".