10212101221113 has 18 divisors (see below), whose sum is σ = 16213703409722. Its totient is φ = 6189152254560.

The previous prime is 10212101221109. The next prime is 10212101221117. The reversal of 10212101221113 is 31112210121201.

It is a happy number.

10212101221113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10212101221109) and next prime (10212101221117).

It can be written as a sum of positive squares in only one way, i.e., 6775130056464 + 3436971164649 = 2602908^2 + 1853907^2 .

It is not a de Polignac number, because 10212101221113 - 2² = 10212101221109 is a prime.

It is a super-2 number, since 2×10212101221113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212101221117) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4688750620 + ... + 4688752797.

Almost surely, 2^{10212101221113} is an apocalyptic number.

It is an amenable number.

10212101221113 is a deficient number, since it is larger than the sum of its proper divisors (6001602188609).

10212101221113 is a wasteful number, since it uses less digits than its factorization.

10212101221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377503445 (or 9377503431 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 10212101221113 its reverse (31112210121201), we get a palindrome (41324311342314).

The spelling of 10212101221113 in words is "ten trillion, two hundred twelve billion, one hundred one million, two hundred twenty-one thousand, one hundred thirteen".