11201200020123 has 32 divisors (see below), whose sum is σ = 15405224114496. Its totient is φ = 7234113535488.

The previous prime is 11201200020119. The next prime is 11201200020137. The reversal of 11201200020123 is 32102000210211.

It is not a de Polignac number, because 11201200020123 - 2² = 11201200020119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11201200020163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42082965 + ... + 42348297.

It is an arithmetic number, because the mean of its divisors is an integer number (481413253578).

Almost surely, 2^{11201200020123} is an apocalyptic number.

11201200020123 is a deficient number, since it is larger than the sum of its proper divisors (4204024094373).

11201200020123 is a wasteful number, since it uses less digits than its factorization.

11201200020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267023.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11201200020123 its reverse (32102000210211), we get a palindrome (43303200230334).

The spelling of 11201200020123 in words is "eleven trillion, two hundred one billion, two hundred million, twenty thousand, one hundred twenty-three".