10211030121 has 16 divisors (see below), whose sum is σ = 13643255808. Its totient is φ = 6793098000.

The previous prime is 10211030117. The next prime is 10211030149. The reversal of 10211030121 is 12103011201.

It is not a de Polignac number, because 10211030121 - 2² = 10211030117 is a prime.

It is a super-3 number, since 3×10211030121³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10211030097 and 10211030106.

It is not an unprimeable number, because it can be changed into a prime (10211030171) 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, 4342096 + ... + 4344446.

It is an arithmetic number, because the mean of its divisors is an integer number (852703488).

Almost surely, 2^10211030121 is an apocalyptic number.

It is an amenable number.

10211030121 is a deficient number, since it is larger than the sum of its proper divisors (3432225687).

10211030121 is a wasteful number, since it uses less digits than its factorization.

10211030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772.

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

Adding to 10211030121 its reverse (12103011201), we get a palindrome (22314041322).

It can be divided in two parts, 102110 and 30121, that added together give a palindrome (132231).

The spelling of 10211030121 in words is "ten billion, two hundred eleven million, thirty thousand, one hundred twenty-one".