211004010420403 has 16 divisors (see below), whose sum is σ = 214594845767680. Its totient is φ = 207442111968000.

The previous prime is 211004010420361. The next prime is 211004010420421. The reversal of 211004010420403 is 304024010400112.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211004010420403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211004010420433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285031038 + ... + 1285195228.

It is an arithmetic number, because the mean of its divisors is an integer number (13412177860480).

Almost surely, 2^{211004010420403} is an apocalyptic number.

211004010420403 is a deficient number, since it is larger than the sum of its proper divisors (3590835347277).

211004010420403 is a wasteful number, since it uses less digits than its factorization.

211004010420403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252178.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 211004010420403 its reverse (304024010400112), we get a palindrome (515028020820515).

The spelling of 211004010420403 in words is "two hundred eleven trillion, four billion, ten million, four hundred twenty thousand, four hundred three".