10211101213 has 4 divisors (see below), whose sum is σ = 10225032508. Its totient is φ = 10197169920.

The previous prime is 10211101207. The next prime is 10211101279. The reversal of 10211101213 is 31210111201.

It is a happy number.

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 9442591929 + 768509284 = 97173^2 + 27722^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211101213 - 2²¹ = 10209004061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211101193 and 10211101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211105213) 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, 6964548 + ... + 6966013.

It is an arithmetic number, because the mean of its divisors is an integer number (2556258127).

Almost surely, 2^10211101213 is an apocalyptic number.

It is an amenable number.

10211101213 is a deficient number, since it is larger than the sum of its proper divisors (13931295).

10211101213 is an equidigital number, since it uses as much as digits as its factorization.

10211101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13931294.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10211101213 its reverse (31210111201), we get a palindrome (41421212414).

It can be divided in two parts, 102111012 and 13, that added together give a square (102111025 = 10105²).

The spelling of 10211101213 in words is "ten billion, two hundred eleven million, one hundred one thousand, two hundred thirteen".