11202111021123 has 24 divisors (see below), whose sum is σ = 17672360696640. Its totient is φ = 6781254582960.

The previous prime is 11202111021061. The next prime is 11202111021131. The reversal of 11202111021123 is 32112011120211.

It is a happy number.

It is not a de Polignac number, because 11202111021123 - 2¹⁷ = 11202110890051 is a prime.

It is a super-2 number, since 2×11202111021123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11202111021096 and 11202111021105.

It is not an unprimeable number, because it can be changed into a prime (11202111221123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65777961 + ... + 65948042.

It is an arithmetic number, because the mean of its divisors is an integer number (736348362360).

Almost surely, 2^{11202111021123} is an apocalyptic number.

11202111021123 is a deficient number, since it is larger than the sum of its proper divisors (6470249675517).

11202111021123 is a wasteful number, since it uses less digits than its factorization.

11202111021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131726879 (or 131726876 counting only the distinct ones).

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

Adding to 11202111021123 its reverse (32112011120211), we get a palindrome (43314122141334).

The spelling of 11202111021123 in words is "eleven trillion, two hundred two billion, one hundred eleven million, twenty-one thousand, one hundred twenty-three".