11200021102121 has 32 divisors (see below), whose sum is σ = 12010356787968. Its totient is φ = 10407445534720.

The previous prime is 11200021102103. The next prime is 11200021102133. The reversal of 11200021102121 is 12120112000211.

It is not a de Polignac number, because 11200021102121 - 2¹⁸ = 11200020839977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200021102096 and 11200021102105.

It is not an unprimeable number, because it can be changed into a prime (11200021104121) 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, 466791701 + ... + 466815693.

It is an arithmetic number, because the mean of its divisors is an integer number (375323649624).

Almost surely, 2^{11200021102121} is an apocalyptic number.

It is an amenable number.

11200021102121 is a deficient number, since it is larger than the sum of its proper divisors (810335685847).

11200021102121 is a wasteful number, since it uses less digits than its factorization.

11200021102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25201.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11200021102121 its reverse (12120112000211), we get a palindrome (23320133102332).

The spelling of 11200021102121 in words is "eleven trillion, two hundred billion, twenty-one million, one hundred two thousand, one hundred twenty-one".