211411420403 has 2 divisors, whose sum is σ = 211411420404. Its totient is φ = 211411420402.

The previous prime is 211411420379. The next prime is 211411420411. The reversal of 211411420403 is 304024114112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211411420403 - 2¹⁰ = 211411419379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (211411620403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105705710201 + 105705710202.

It is an arithmetic number, because the mean of its divisors is an integer number (105705710202).

Almost surely, 2^211411420403 is an apocalyptic number.

211411420403 is a deficient number, since it is larger than the sum of its proper divisors (1).

211411420403 is an equidigital number, since it uses as much as digits as its factorization.

211411420403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211411420403 its reverse (304024114112), we get a palindrome (515435534515).

The spelling of 211411420403 in words is "two hundred eleven billion, four hundred eleven million, four hundred twenty thousand, four hundred three".