11101121023122 has 64 divisors (see below), whose sum is σ = 26682797904000. Its totient is φ = 3400813646784.

The previous prime is 11101121023103. The next prime is 11101121023129. The reversal of 11101121023122 is 22132012110111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11101121023095 and 11101121023104.

It is not an unprimeable number, because it can be changed into a prime (11101121023129) 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, 34366672 + ... + 34688187.

It is an arithmetic number, because the mean of its divisors is an integer number (416918717250).

Almost surely, 2^{11101121023122} is an apocalyptic number.

11101121023122 is an abundant number, since it is smaller than the sum of its proper divisors (15581676880878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101121023122 is a wasteful number, since it uses less digits than its factorization.

11101121023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69055112 (or 69055106 counting only the distinct ones).

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

Adding to 11101121023122 its reverse (22132012110111), we get a palindrome (33233133133233).

The spelling of 11101121023122 in words is "eleven trillion, one hundred one billion, one hundred twenty-one million, twenty-three thousand, one hundred twenty-two".