11221020100121 has 8 divisors (see below), whose sum is σ = 12144899995200. Its totient is φ = 10305815134032.

The previous prime is 11221020100117. The next prime is 11221020100141. The reversal of 11221020100121 is 12100102012211.

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

It is a cyclic number.

It is not a de Polignac number, because 11221020100121 - 2² = 11221020100117 is a prime.

It is a super-3 number, since 3×11221020100121³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221020100096 and 11221020100105.

It is not an unprimeable number, because it can be changed into a prime (11221020100141) 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, 2168729555 + ... + 2168734728.

It is an arithmetic number, because the mean of its divisors is an integer number (1518112499400).

Almost surely, 2^{11221020100121} is an apocalyptic number.

It is an amenable number.

11221020100121 is a deficient number, since it is larger than the sum of its proper divisors (923879895079).

11221020100121 is a wasteful number, since it uses less digits than its factorization.

11221020100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337464495.

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

Adding to 11221020100121 its reverse (12100102012211), we get a palindrome (23321122112332).

The spelling of 11221020100121 in words is "eleven trillion, two hundred twenty-one billion, twenty million, one hundred thousand, one hundred twenty-one".