101220213 has 8 divisors (see below), whose sum is σ = 135020800. Its totient is φ = 67449888.

The previous prime is 101220169. The next prime is 101220233. The reversal of 101220213 is 312022101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101220213 - 2¹⁷ = 101089141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953 + ... + 14361.

It is an arithmetic number, because the mean of its divisors is an integer number (16877600).

Almost surely, 2^101220213 is an apocalyptic number.

It is an amenable number.

101220213 is a deficient number, since it is larger than the sum of its proper divisors (33800587).

101220213 is a wasteful number, since it uses less digits than its factorization.

101220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15131.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101220213 is about 10060.8256619425. The cubic root of 101220213 is about 466.0391651709.

Adding to 101220213 its reverse (312022101), we get a palindrome (413242314).

The spelling of 101220213 in words is "one hundred one million, two hundred twenty thousand, two hundred thirteen".