10101220213 has 24 divisors (see below), whose sum is σ = 11945849600. Its totient is φ = 8365694688.

The previous prime is 10101220163. The next prime is 10101220219. The reversal of 10101220213 is 31202210101.

10101220213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10101220213 - 2³³ = 1511285621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101220193 and 10101220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101220219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1217443 + ... + 1225711.

Almost surely, 2^10101220213 is an apocalyptic number.

It is an amenable number.

10101220213 is a deficient number, since it is larger than the sum of its proper divisors (1844629387).

10101220213 is an frugal number, since it uses more digits than its factorization.

10101220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449 (or 8402 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10101220213 its reverse (31202210101), we get a palindrome (41303430314).

The spelling of 10101220213 in words is "ten billion, one hundred one million, two hundred twenty thousand, two hundred thirteen".