10210111101121 has 4 divisors (see below), whose sum is σ = 10227328827012. Its totient is φ = 10192893375232.

The previous prime is 10210111101059. The next prime is 10210111101137. The reversal of 10210111101121 is 12110111101201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7705820676096 + 2504290425025 = 2775936^2 + 1582495^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210111101121 - 2¹¹ = 10210111099073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210111101181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8608862056 + ... + 8608863241.

It is an arithmetic number, because the mean of its divisors is an integer number (2556832206753).

Almost surely, 2^{10210111101121} is an apocalyptic number.

It is an amenable number.

10210111101121 is a deficient number, since it is larger than the sum of its proper divisors (17217725891).

10210111101121 is an equidigital number, since it uses as much as digits as its factorization.

10210111101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17217725890.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10210111101121 its reverse (12110111101201), we get a palindrome (22320222202322).

The spelling of 10210111101121 in words is "ten trillion, two hundred ten billion, one hundred eleven million, one hundred one thousand, one hundred twenty-one".