10211200021121 has 8 divisors (see below), whose sum is σ = 11725779928800. Its totient is φ = 8794334946240.

The previous prime is 10211200021111. The next prime is 10211200021133. The reversal of 10211200021121 is 12112000211201.

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 10211200021121 - 2¹⁴ = 10211200004737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211200021096 and 10211200021105.

It is not an unprimeable number, because it can be changed into a prime (10211200021111) 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, 24428707976 + ... + 24428708393.

It is an arithmetic number, because the mean of its divisors is an integer number (1465722491100).

Almost surely, 2^{10211200021121} is an apocalyptic number.

10211200021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10211200021121 is a deficient number, since it is larger than the sum of its proper divisors (1514579907679).

10211200021121 is a wasteful number, since it uses less digits than its factorization.

10211200021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48857416399.

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

Adding to 10211200021121 its reverse (12112000211201), we get a palindrome (22323200232322).

The spelling of 10211200021121 in words is "ten trillion, two hundred eleven billion, two hundred million, twenty-one thousand, one hundred twenty-one".