11122202121121 has 8 divisors (see below), whose sum is σ = 13688864149184. Its totient is φ = 8799984095760.

The previous prime is 11122202121113. The next prime is 11122202121131. The reversal of 11122202121121 is 12112120222111.

It is a happy number.

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

It is not a de Polignac number, because 11122202121121 - 2³ = 11122202121113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11122202121131) 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, 61111000575 + ... + 61111000756.

It is an arithmetic number, because the mean of its divisors is an integer number (1711108018648).

Almost surely, 2^{11122202121121} is an apocalyptic number.

It is an amenable number.

11122202121121 is a deficient number, since it is larger than the sum of its proper divisors (2566662028063).

11122202121121 is a wasteful number, since it uses less digits than its factorization.

11122202121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122222001351.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11122202121121 its reverse (12112120222111), we get a palindrome (23234322343232).

The spelling of 11122202121121 in words is "eleven trillion, one hundred twenty-two billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty-one".