10011201200121 has 24 divisors (see below), whose sum is σ = 14912589130432. Its totient is φ = 5967929167200.

The previous prime is 10011201200113. The next prime is 10011201200129. The reversal of 10011201200121 is 12100210211001.

It is an interprime number because it is at equal distance from previous prime (10011201200113) and next prime (10011201200129).

It is not a de Polignac number, because 10011201200121 - 2³ = 10011201200113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011201200097 and 10011201200106.

It is not an unprimeable number, because it can be changed into a prime (10011201200129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226035781 + ... + 226080066.

Almost surely, 2^{10011201200121} is an apocalyptic number.

10011201200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10011201200121 is a deficient number, since it is larger than the sum of its proper divisors (4901387930311).

10011201200121 is a wasteful number, since it uses less digits than its factorization.

10011201200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452115933 (or 452115922 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10011201200121 its reverse (12100210211001), we get a palindrome (22111411411122).

The spelling of 10011201200121 in words is "ten trillion, eleven billion, two hundred one million, two hundred thousand, one hundred twenty-one".