11111020201122 has 32 divisors (see below), whose sum is σ = 22293354685632. Its totient is φ = 3691800535104.

The previous prime is 11111020201093. The next prime is 11111020201129. The reversal of 11111020201122 is 22110202011111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11111020201129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1855893 + ... + 5066199.

It is an arithmetic number, because the mean of its divisors is an integer number (696667333926).

Almost surely, 2^{11111020201122} is an apocalyptic number.

11111020201122 is an abundant number, since it is smaller than the sum of its proper divisors (11182334484510).

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

11111020201122 is a wasteful number, since it uses less digits than its factorization.

11111020201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212162.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11111020201122 its reverse (22110202011111), we get a palindrome (33221222212233).

The spelling of 11111020201122 in words is "eleven trillion, one hundred eleven billion, twenty million, two hundred one thousand, one hundred twenty-two".