10211211303121 has 16 divisors (see below), whose sum is σ = 10480494689280. Its totient is φ = 9945526626000.

The previous prime is 10211211303019. The next prime is 10211211303211. The reversal of 10211211303121 is 12130311211201.

It is a cyclic number.

It is not a de Polignac number, because 10211211303121 - 2⁷ = 10211211302993 is a prime.

It is a super-3 number, since 3×10211211303121³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211211303221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336996 + ... + 4712746.

It is an arithmetic number, because the mean of its divisors is an integer number (655030918080).

Almost surely, 2^{10211211303121} is an apocalyptic number.

It is an amenable number.

10211211303121 is a deficient number, since it is larger than the sum of its proper divisors (269283386159).

10211211303121 is a wasteful number, since it uses less digits than its factorization.

10211211303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376284.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10211211303121 its reverse (12130311211201), we get a palindrome (22341522514322).

The spelling of 10211211303121 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, three hundred three thousand, one hundred twenty-one".