10211203121 has 8 divisors (see below), whose sum is σ = 11785491264. Its totient is φ = 8665801200.

The previous prime is 10211203097. The next prime is 10211203157. The reversal of 10211203121 is 12130211201.

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

It is a de Polignac number, because none of the positive numbers 2^k-10211203121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211203096 and 10211203105.

It is not an unprimeable number, because it can be changed into a prime (10211206121) 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, 7220795 + ... + 7222208.

It is an arithmetic number, because the mean of its divisors is an integer number (1473186408).

Almost surely, 2^10211203121 is an apocalyptic number.

It is an amenable number.

10211203121 is a deficient number, since it is larger than the sum of its proper divisors (1574288143).

10211203121 is a wasteful number, since it uses less digits than its factorization.

10211203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443111.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10211203121 its reverse (12130211201), we get a palindrome (22341414322).

The spelling of 10211203121 in words is "ten billion, two hundred eleven million, two hundred three thousand, one hundred twenty-one".