2111213303249 has 2 divisors, whose sum is σ = 2111213303250. Its totient is φ = 2111213303248.

The previous prime is 2111213303231. The next prime is 2111213303279. The reversal of 2111213303249 is 9423033121112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1160650702225 + 950562601024 = 1077335^2 + 974968^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111213303249 - 2³² = 2106918335953 is a prime.

It is a super-2 number, since 2×2111213303249² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2111213303279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055606651624 + 1055606651625.

It is an arithmetic number, because the mean of its divisors is an integer number (1055606651625).

Almost surely, 2^{2111213303249} is an apocalyptic number.

It is an amenable number.

2111213303249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111213303249 is an equidigital number, since it uses as much as digits as its factorization.

2111213303249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 2111213303249 in words is "two trillion, one hundred eleven billion, two hundred thirteen million, three hundred three thousand, two hundred forty-nine".