11120022020121 has 32 divisors (see below), whose sum is σ = 16963764397056. Its totient is φ = 6347187000000.

The previous prime is 11120022020119. The next prime is 11120022020143. The reversal of 11120022020121 is 12102022002111.

It is not a de Polignac number, because 11120022020121 - 2¹ = 11120022020119 is a prime.

It is a super-4 number, since 4×11120022020121⁴ (a number of 53 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11120022020121.

It is not an unprimeable number, because it can be changed into a prime (11120022020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142340971 + ... + 142419071.

It is an arithmetic number, because the mean of its divisors is an integer number (530117637408).

Almost surely, 2^{11120022020121} is an apocalyptic number.

It is an amenable number.

11120022020121 is a deficient number, since it is larger than the sum of its proper divisors (5843742376935).

11120022020121 is a wasteful number, since it uses less digits than its factorization.

11120022020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85613.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11120022020121 its reverse (12102022002111), we get a palindrome (23222044022232).

The spelling of 11120022020121 in words is "eleven trillion, one hundred twenty billion, twenty-two million, twenty thousand, one hundred twenty-one".