10211201123 has 2 divisors, whose sum is σ = 10211201124. Its totient is φ = 10211201122.

The previous prime is 10211201111. The next prime is 10211201137. The reversal of 10211201123 is 32110211201.

It is an a-pointer prime, because the next prime (10211201137) can be obtained adding 10211201123 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211201123 - 2¹² = 10211197027 is a prime.

It is a super-2 number, since 2×10211201123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10211201098 and 10211201107.

It is not a weakly prime, because it can be changed into another prime (10211201023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105600561 + 5105600562.

It is an arithmetic number, because the mean of its divisors is an integer number (5105600562).

Almost surely, 2^10211201123 is an apocalyptic number.

10211201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211201123 is an equidigital number, since it uses as much as digits as its factorization.

10211201123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10211201123 its reverse (32110211201), we get a palindrome (42321412324).

The spelling of 10211201123 in words is "ten billion, two hundred eleven million, two hundred one thousand, one hundred twenty-three".