1210213101 has 8 divisors (see below), whose sum is σ = 1619572864. Its totient is φ = 803831040.

The previous prime is 1210213073. The next prime is 1210213117. The reversal of 1210213101 is 1013120121.

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

It is not a de Polignac number, because 1210213101 - 2¹⁰ = 1210212077 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 (1210213141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743476 + ... + 745101.

It is an arithmetic number, because the mean of its divisors is an integer number (202446608).

Almost surely, 2^1210213101 is an apocalyptic number.

It is an amenable number.

1210213101 is a deficient number, since it is larger than the sum of its proper divisors (409359763).

1210213101 is a wasteful number, since it uses less digits than its factorization.

1210213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488851.

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

The square root of 1210213101 is about 34788.1172385054. The cubic root of 1210213101 is about 1065.6647898169.

Adding to 1210213101 its reverse (1013120121), we get a palindrome (2223333222).

The spelling of 1210213101 in words is "one billion, two hundred ten million, two hundred thirteen thousand, one hundred one".