211201100102123 has 2 divisors, whose sum is σ = 211201100102124. Its totient is φ = 211201100102122.

The previous prime is 211201100102077. The next prime is 211201100102141. The reversal of 211201100102123 is 321201001102112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211201100102123 - 2⁶ = 211201100102059 is a prime.

It is not a weakly prime, because it can be changed into another prime (211201100102023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105600550051061 + 105600550051062.

It is an arithmetic number, because the mean of its divisors is an integer number (105600550051062).

Almost surely, 2^{211201100102123} is an apocalyptic number.

211201100102123 is a deficient number, since it is larger than the sum of its proper divisors (1).

211201100102123 is an equidigital number, since it uses as much as digits as its factorization.

211201100102123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211201100102123 its reverse (321201001102112), we get a palindrome (532402101204235).

The spelling of 211201100102123 in words is "two hundred eleven trillion, two hundred one billion, one hundred million, one hundred two thousand, one hundred twenty-three".