11020202123 has 8 divisors (see below), whose sum is σ = 12614170080. Its totient is φ = 9431147520.

The previous prime is 11020202119. The next prime is 11020202173. The reversal of 11020202123 is 32120202011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020202123 - 2² = 11020202119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020202098 and 11020202107.

It is not an unprimeable number, because it can be changed into a prime (11020202173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223528 + ... + 1232501.

It is an arithmetic number, because the mean of its divisors is an integer number (1576771260).

Almost surely, 2^11020202123 is an apocalyptic number.

11020202123 is a deficient number, since it is larger than the sum of its proper divisors (1593967957).

11020202123 is an equidigital number, since it uses as much as digits as its factorization.

11020202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456677.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11020202123 its reverse (32120202011), we get a palindrome (43140404134).

The spelling of 11020202123 in words is "eleven billion, twenty million, two hundred two thousand, one hundred twenty-three".