2111421104311 has 2 divisors, whose sum is σ = 2111421104312. Its totient is φ = 2111421104310.

The previous prime is 2111421104281. The next prime is 2111421104329. The reversal of 2111421104311 is 1134011241112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111421104311 - 2¹³ = 2111421096119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111421104341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055710552155 + 1055710552156.

It is an arithmetic number, because the mean of its divisors is an integer number (1055710552156).

Almost surely, 2^{2111421104311} is an apocalyptic number.

2111421104311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111421104311 is an equidigital number, since it uses as much as digits as its factorization.

2111421104311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 2111421104311 its reverse (1134011241112), we get a palindrome (3245432345423).

The spelling of 2111421104311 in words is "two trillion, one hundred eleven billion, four hundred twenty-one million, one hundred four thousand, three hundred eleven".