11101021122123 has 40 divisors (see below), whose sum is σ = 16789321634976. Its totient is φ = 7309173024000.

The previous prime is 11101021122097. The next prime is 11101021122137. The reversal of 11101021122123 is 32122112010111.

It is a happy number.

It is not a de Polignac number, because 11101021122123 - 2³³ = 11092431187531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101021122096 and 11101021122105.

It is not an unprimeable number, because it can be changed into a prime (11101021122193) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 507198 + ... + 4739123.

Almost surely, 2^{11101021122123} is an apocalyptic number.

11101021122123 is a deficient number, since it is larger than the sum of its proper divisors (5688300512853).

11101021122123 is a wasteful number, since it uses less digits than its factorization.

11101021122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246657 (or 5246648 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11101021122123 its reverse (32122112010111), we get a palindrome (43223133132234).

The spelling of 11101021122123 in words is "eleven trillion, one hundred one billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-three".