11102021200121 has 32 divisors (see below), whose sum is σ = 11474842579200. Its totient is φ = 10734500224000.

The previous prime is 11102021200099. The next prime is 11102021200129. The reversal of 11102021200121 is 12100212020111.

It is a cyclic number.

It is not a de Polignac number, because 11102021200121 - 2²² = 11102017005817 is a prime.

It is a super-2 number, since 2×11102021200121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102021200096 and 11102021200105.

It is not an unprimeable number, because it can be changed into a prime (11102021200129) 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, 4113381830 + ... + 4113384528.

It is an arithmetic number, because the mean of its divisors is an integer number (358588830600).

Almost surely, 2^{11102021200121} is an apocalyptic number.

It is an amenable number.

11102021200121 is a deficient number, since it is larger than the sum of its proper divisors (372821379079).

11102021200121 is a wasteful number, since it uses less digits than its factorization.

11102021200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

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

Adding to 11102021200121 its reverse (12100212020111), we get a palindrome (23202233220232).

The spelling of 11102021200121 in words is "eleven trillion, one hundred two billion, twenty-one million, two hundred thousand, one hundred twenty-one".