10210111012121 has 8 divisors (see below), whose sum is σ = 10386158804640. Its totient is φ = 10034163055168.

The previous prime is 10210111012099. The next prime is 10210111012177. The reversal of 10210111012121 is 12121011101201.

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 10210111012121 - 2³⁸ = 9935233105177 is a prime.

It is a super-2 number, since 2×10210111012121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210111012096 and 10210111012105.

It is not an unprimeable number, because it can be changed into a prime (10210111512121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24752576 + ... + 25161681.

It is an arithmetic number, because the mean of its divisors is an integer number (1298269850580).

Almost surely, 2^{10210111012121} is an apocalyptic number.

It is an amenable number.

10210111012121 is a deficient number, since it is larger than the sum of its proper divisors (176047792519).

10210111012121 is an equidigital number, since it uses as much as digits as its factorization.

10210111012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49917783.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10210111012121 its reverse (12121011101201), we get a palindrome (22331122113322).

The spelling of 10210111012121 in words is "ten trillion, two hundred ten billion, one hundred eleven million, twelve thousand, one hundred twenty-one".